122-439: Chennai–Thiruvallur High Road (CTH Road), formerly known as Madras–Thiruvallur High Road (or MTH Road), is one of the chief routes connecting the northwestern suburbs of Chennai , India . Starting from Padi Junction , the road connects the neighbourhoods of Padi , Ambattur , Thirumullaivoyil , Avadi , Pattabiram , Thirunindravur , and Thiruvallur . It is one of the four national highways that radiates out of Chennai city and
244-666: A tsunami lashed the shores of Chennai, killing 206 people in Chennai and permanently altering the coastline. The 2015 Chennai Floods submerged major portions of the city, killing 269 people and resulting in damages of ₹ 86.4 billion (US$ 1 billion). Chennai is located on the southeastern coast of India in the northeastern part of Tamil Nadu on a flat coastal plain known as the Eastern Coastal Plains with an average elevation of 6.7 m (22 ft) and highest point at 60 m (200 ft). Chennai's soil
366-452: A banana leaf. Eating on a banana leaf is an old custom and imparts a unique flavour to the food and is considered healthy. Idly and dosa are popular breakfast dishes. Chennai has an active street food culture and various cuisine options for dining including North Indian , Chinese and continental . The influx of industries in the early 21st century also bought distinct cuisines from other countries such as Japanese and Korean to
488-679: A classical dance form that originated in Tamil Nadu and is the oldest dance in India. Cultural centres in the city include Kalakshetra and Government Music College. Chennai is also home to some choirs, who during the Christmas season stage various carol performances across the city in Tamil and English. Chennai is home to many museums, galleries, and other institutions that engage in arts research and are major tourist attractions. Established in
610-487: A combination of various folk music, is sung mainly in the working-class area of North Chennai. Chennai Sangamam , an art festival showcasing various arts of South India is held every year. Chennai has been featured in UNESCO Creative Cities Network list since October 2017 for its old musical tradition. Chennai has a diverse theatre scene and is a prominent centre for Bharata Natyam ,
732-546: A decline in the overall availability of fish resources; changes in species composition of catches; the high proportion of juvenile fish in the catch; and changes in marine biodiversity , especially through loss of vulnerable and endangered species . The transboundary nature of these issues are: that many fish stocks are shared between BOBLME countries through the transboundary migration of fish, or larvae . Fishing overlaps national jurisdictions, both legally and illegally – overcapacity and overfishing in one location forces
854-513: A dry-summer tropical wet and dry climate which is designated As under the Köppen climate classification . The city lies on the thermal equator and as it is also located on the coast, there is no extreme variation in seasonal temperature. The hottest time of the year is from April to June with an average temperature of 35–40 °C (95–104 °F). The highest recorded temperature was 45 °C (113 °F) on 31 May 2003. The coldest time of
976-453: A few of the marine animals. Bay of Bengal hogfish ( Bodianus neilli ) is a type of wrasse which live in turbid lagoon reefs or shallow coastal reefs. Schools of dolphins can be seen, whether they are the bottle nose dolphin ( Tursiops truncatus ) , pantropical spotted dolphin ( Stenella attenuata ) or the spinner dolphin ( Stenella longirostris ) . Tuna and dolphins usually reside in the same waters. In shallower and warmer coastal waters
1098-403: A further 59 km to reach Tiruttani. According to official CMDA records, this road is supposed to be 32 meters wide or 100 ft wide, but currently it is only 10–12 meters or 30 ft wide in many stretches. In 2013, the government announced that the 22-km stretch of the road between Padi and Thiruninravur would be widened into a six-lane facility. It was announced that in the first phase,
1220-552: A house. There are about 1,131 slums in the city housing more than 300,000 households. The city is governed by the Greater Chennai Corporation (formerly "Corporation of Madras"), which was established on 29 September 1688. It is the oldest surviving municipal corporation in India and the second oldest surviving corporation in the world. In 2011, the jurisdiction of the Chennai Corporation
1342-576: A large estuarine delta that holds a mangrove area in the Ganges River Delta . A transboundary issue is defined as an environmental problem in which either the cause of the problem and/or its impact is separated by a national boundary; or the problem contributes to a global environmental problem and finding regional solutions is considered to be a global environmental benefit. The eight Bay of Bengal countries have (2012) identified three major transboundary problems (or areas of concern) affecting
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#17327910533101464-418: A serious urgency by India and Myanmar into a territorial dispute. Disputes over rights of some oil and gas blocks have caused brief diplomatic spats between Myanmar and India with Bangladesh. The disputed maritime boundary between Bangladesh and Myanmar resulted in military tensions in 2008 and 2009. The maritime dispute between Bangladesh and Myanmar settled in 2012 through the judgement of ITLOS. In 2014,
1586-582: A total cost of ₹8,500 million. In 2021, Central Govt Planned to Create Surat - Chennai Business Corridor The expressway will start from Surat in Gujarat, pass through six states, districts and their states, and terminate at Chennai, Tamil Nadu For This they undertake Thiruninravur - Thiruvallur Strech From Tn State Highway Department to create 4 lane New highway Chennai Chennai ( / ˈ tʃ ɛ n aɪ / ; Tamil: [ˈt͡ɕenːaɪ̯] , ISO : Ceṉṉai ), formerly known as Madras ,
1708-603: Is a 14 km-wide deep sea canyon of the Bay of Bengal. The deepest recorded area of this valley is about 1340 m. The submarine canyon is part of the Bengal Fan , the largest submarine fan in the world. Submarine fan is also known as abyssal fan . Bay of Bengal fan, known as Bengal Fan , also known as the Ganges Fan is world's largest abyssal fan, also known as deep-sea fans, underwater deltas, and submarine fans. The fan
1830-1021: Is a division of the Tamil Nadu Police , the administrative control of which lies with the Home ministry of the Government of Tamil Nadu. Greater Chennai Traffic Police (GCTP) is responsible for the traffic management in the city. The metropolitan suburbs are policed by the Chennai Metropolitan Police , headed by the Chennai Police Commissionerate , and the outer district areas of the CMDA are policed by respective police departments of Tiruvallur, Kanchipuram, Chengalpattu and Ranipet districts. As of 2021 , Greater Chennai had 135 police stations across four zones with 20,000 police personnel. As of 2021 ,
1952-553: Is a major centre for music, art and dance in India. The city is called the Cultural Capital of South India. Madras Music Season , initiated by Madras Music Academy in 1927, is celebrated every year during the month of December and features performances of traditional Carnatic music by artists from the city. Madras University introduced a course of music, as part of the Bachelor of Arts curriculum in 1930. Gaana ,
2074-892: Is a mangrove forest in the southern part of the Ganges-Brahmaputra Delta which lies in the Indian state of West Bengal and in Bangladesh. The Brahmaputra at 2,948 km (1,832 mi) is the 15th longest River in the world. It originates in Tibet . The Hooghly River , another channel of the Ganga that flows through Kolkata drains into Bay of Bengal at Sagar in West Bengal, India. The Ganga–Brahmaputra-Barak rivers deposit nearly 1000 million tons of sediment every year. The sediment from these three rivers form
2196-463: Is a new venture proposed which would create a channel for a shipping route to link the Gulf of Mannar with the Bay of Bengal. This would connect India from east to west without the necessity of going around Sri Lanka. Thoni and catamaran fishing boats of fishing villages thrive along the Bay of Bengal shorelines. Fishermen can catch between 26 and 44 species of marine fish. In one year, the average catch
2318-446: Is about 120 cm (47 in). The highest annual rainfall recorded was 257 cm (101 in) in 2005. Prevailing winds in Chennai are usually southwesterly between April and October and northeasterly during the rest of the year. The city relies on the annual monsoon rains to replenish water reservoirs. Cyclones and depressions are common features during the season. Water inundation and flooding happen in low-lying areas during
2440-792: Is about 3,000 km (1,900 mi) long, 1,430 km (890 mi) wide with a maximum thickness of 16.5 km (10.3 mi). The fan resulted from the uplift and erosion of the Himalayas and the Tibetan Plateau produced by the collision between the Indian Plate and the Eurasian Plate . Most of the sediment is supplied by the Ganges and Brahmaputra rivers which supply the Lower Meghna delta in Bangladesh and
2562-644: Is among the largest small-scale industrial estates in the country. Chennai contributes more than 50 per cent of India's leather exports. Chennai is a major electronics hardware exporter. The city is home to the Madras Stock Exchange , India's third-largest by trading volume behind the Bombay Stock Exchange and the National Stock Exchange of India . Madras Bank, the first European-style banking system in India,
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#17327910533102684-465: Is among the major information technology (IT) hubs of India. Tidel Park established in 2000 was amongst the first and largest IT parks in Asia. The presence of SEZs and government policies have contributed to the growth of the sector which has attracted foreign investments and job seekers from other parts of the country. In the 2020s, the city has become a major provider of SaaS and has been dubbed
2806-540: Is amongst the top export districts in the country with more than US$ 2563 billion in exports. The city has a permanent exhibition complex Chennai Trade Centre at Nandambakkam . The city hosts the Tamil Nadu Global Investors Meet , a business summit organized by the Government of Tamil Nadu. With about 62% of the population classified as affluent with less than 1% asset-poor, Chennai has the fifth highest number of millionaires. Chennai
2928-573: Is characterized by a mix of regional and national political parties. During the 1920s and 1930s, the Self-Respect Movement , spearheaded by Theagaroya Chetty and E. V. Ramaswamy emerged in Madras. Congress dominated the political scene post Independence in the 1950s and 1960s under C. Rajagopalachari and later K. Kamaraj . The Anti-Hindi agitations led to the rise of Dravidian parties with Dravida Munnetra Kazhagam (DMK) forming
3050-436: Is estimated to be around 64.06 km (24.73 sq mi) with 121 recorded species belonging to 94 genera and 42 families. Major species include Copper pod , Indian beech , Gulmohar , Raintree , Neem , and Tropical Almond . The city's marine and inland water bodies house a number of fresh water and salt water fishes, and marine organisms. Chennai had many lakes spread across the city, but urbanization has led to
3172-672: Is mostly clay , shale and sandstone . Clay underlies most of the city with sandy areas found along the river banks and coasts where rainwater runoff percolates quickly through the soil. Certain areas in South Chennai have a hard rock surface. As of 2018, the city had a green cover of 14.9 per cent, with a per capita green cover of 8.5 square metres against the World Health Organization recommendation of nine square metres. As of 2017 , water bodies cover an estimated 3.2 km (1.2 sq mi) area of
3294-776: Is one of the World's 64 largest marine ecosystems . Kerilia jerdonii is a sea snake of the Bay of Bengal. Glory of Bengal cone ( Conus bengalensis ) is just one of the seashells which can be photographed along beaches of the Bay of Bengal. An endangered species , the olive ridley sea turtle can survive because of the nesting grounds made available at the Gahirmatha Marine Wildlife Sanctuary, Gahirmatha Beach , Odisha , India. Marlin , barracuda , skipjack tuna, ( Katsuwonus pelamis ) , yellowfin tuna , Indo-Pacific humpbacked dolphin ( Sousa chinensis ) , and Bryde's whale ( Balaenoptera edeni ) are
3416-519: Is part of National Highway 205. The road, however, is narrow with a width of 8 to 10 metres at its widest stretches. Over 100,000 passenger car units use the road every day. Tidel Park in Avadi with 21 floors would be the tallest building in CTH road. The road begins at Padi junction in Chennai and runs about 22 km in the Chennai metropolitan area (CMA) up to Thirunindravur, from where it runs
3538-496: Is situated in Seismic Zone III , indicating a moderate risk of damage from earthquakes . Owing to the tectonic zone the city falls in, the city is considered a potential geothermal energy site. The crust has old granite rocks dating back nearly a billion years indicating volcanic activities in the past with expected temperatures of 200–300 °C (392–572 °F) at 4–5 km (2.5–3.1 mi) depth. Chennai has
3660-723: Is spread across five constituencies. It elects 28 MLAs to the state legislature. Being the capital of the Madras Province that covered a large area of the Deccan region, Chennai remained the centre of politics during the British colonial era. Chennai is the birthplace of the idea of the Indian National Congress , which was founded by the members of the Theosophical Society movement based on
3782-600: Is the capital and largest city of Tamil Nadu , the southernmost state of India . It is located on the Coromandel Coast of the Bay of Bengal . According to the 2011 Indian census , Chennai is the sixth-most populous city in India and forms the fourth-most populous urban agglomeration . Incorporated in 1688, the Greater Chennai Corporation is the oldest municipal corporation in India and
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3904-555: Is the base for Tamil cinema , nicknamed Kollywood, alluding to the neighbourhood of Kodambakkam where several film studios are located. The history of cinema in South India started in 1897 when a European exhibitor first screened a selection of silent short films at the Victoria Public Hall in the city. Swamikannu Vincent purchased a film projector and erected tents for screening films which became popular in
4026-425: Is the study of how ancient peoples interacted with the sea and waterways. A specialized branch, archaeology of shipwrecks , studies the salvaged artifacts of ancient ships. Stone anchors, amphorae shards, elephant tusks, hippopotamus teeth, ceramic pottery, a rare wood mast and lead ingots are examples which may survive submerged for centuries for archaeologists to discover, study, and place their salvaged findings into
4148-650: Is two million tons of fish from the Bay of Bengal alone. Approximately 31% of the world's coastal fishermen live and work on the bay. The Bay of Bengal is centrally located in South and Southeast Asia. It lies at the center of two huge economic blocks, the SAARC and ASEAN . It influences China's southern landlocked region in the north and major sea ports of Bangladesh and India. China, India, and Bangladesh have forged naval cooperation agreements with Malaysia, Thailand, and Indonesia to increase cooperation in checking terrorism in
4270-604: The AVANI , headquartered in Chennai manufactures Armoured fighting vehicles , Main battle tanks , tank engines and armoured clothing for the use of the Indian Armed Forces . ISRO , the premier Indian space agency primarily responsible for performing tasks related to space exploration operates research facilities in the city. Chennai is the third-most visited city in India by international tourists according to Euromonitor. Medical tourism forms an important part of
4392-593: The Andaman Sea , sediment from the river is found in the eastern Bay of Bengal. Indian ports on the bay include Paradip Port , Kolkata Port , Haldia Port , Chennai Port , Visakhapatnam Port , Kakinada Port , Pondicherry Port , Dhamra Port , and Gopalpur-on-Sea . Bangladeshi ports on the Bay are Chittagong , Mongla , Payra Port . Sri Lankan ports include Jaffna , Kankesanthurai , Batticaloa , and Trincomalee . Myanmar's main sea port includes Akyab (Sittwe). In alphabetical order The lithosphere of
4514-741: The British East India Company . Gopalpur-on-Sea was one of their main trading centers. Other trading companies along the Bay of Bengal shorelines were the English East India Company and the French East India Company . BIMSTEC (Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation) supports free trade internationally around the Bay of Bengal between Bangladesh, Bhutan , India, Myanmar, Nepal , Sri Lanka, and Thailand . The Sethusamudram Shipping Canal Project
4636-679: The Chennai Central and Chennai Egmore railway stations. The Santhome Church , which was originally built by the Portuguese in 1523 and is believed to house the remains of the apostle St. Thomas , was rebuilt in 1893, in neo-Gothic style. By the early 20th century, the art deco made its entry upon the city's urban landscape with buildings in George Town including the United India building (presently housing LIC ) and
4758-676: The Chepauk Palace designed by Paul Benfield amongst the first Indo-Saracenic buildings in India. Other buildings in the city from the era designed in this style of architecture include Fort St. George (1640), Amir Mahal (1798), Government Museum (1854), Senate House of the University of Madras (1879), Victoria Public Hall (1886), Madras High Court (1892), Bharat Insurance Building (1897), Ripon Building (1913), College of Engineering (1920) and Southern Railway headquarters (1921). Gothic revival-style buildings include
4880-550: The Globalization and World Cities Research Network , Chennai is amongst the most integrated with the global economy, classified as a beta-city . As of 2023 , Chennai metropolitan area had an estimated GDP of $ 143.9 billion, ranking it among the most productive metro areas in India. Chennai has a diversified industrial base anchored by different sectors including automobiles , software services , hardware , healthcare and financial services . As of 2021 , Chennai
5002-572: The Government of Tamil Nadu officially changed the name from Madras to Chennai. The name "Madras" continues to be used occasionally for the city as well as for places or things named after the city in the past. Stone Age implements have been found near Pallavaram in Chennai and according to the Archaeological Survey of India (ASI), Pallavaram was a megalithic cultural establishment, and pre-historic communities resided in
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5124-637: The Hindu temples consisted of large mantapas with gate-pyramids called gopurams in quadrangular enclosures that surround the temple. The Gopuram, a monumental tower usually ornate at the entrance of the temple forms a prominent feature of Koils and whose origins can be traced back to the Pallavas who built the group of monuments in Mamallapuram . The associated Agraharam architecture, which consists of traditional row houses can still be seen in
5246-533: The Hoogly delta in West Bengal (India). Several other large rivers in Bangladesh and India provide smaller contributions. Turbidity currents have transported the sediment through a series of submarine canyons , some of which are more than 2,400 kilometres (1,500 mi) in length, to be deposited in the Bay of Bengal up to 30 degrees latitude from where it began. To date, the oldest sediments recovered from
5368-476: The Irrawaddy dolphins ( Orcaella brevirostris ) can be found. The Great Nicobar Biosphere Reserve provides sanctuary to many animals some of which include the saltwater crocodile ( Crocodylus porosus ) , giant leatherback sea turtle ( Dermochelys coriacea ) , and Malayan box turtle ( Cuora amboinensis kamaroma ) to name a few. Another endangered species royal Bengal tiger is supported by Sundarbans
5490-1010: The Kaveri . The International Hydrographic Organization defines the limits of the Bay of Bengal as follows: Note: Oedjong means " cape " in Dutch language on maps of the Netherlands East Indies (Indonesia). The bay gets its name from the historical Bengal region (modern-day Bangladesh and the Indian states of West Bengal , Tripura and the Barak valley of Southern Assam ). In Ancient Indian scriptures , this water body may have been referred to as Mahodadhi ( Sanskrit : महोदधि, lit. ' Great water receptacle ' ). Ancient Romans called it Sinus Gangeticus or Gangeticus Sinus whilst Ancient Greeks called it in Ancient Greek : Κόλπος Γαγγητικός , meaning "Gulf of
5612-620: The Madras Presidency with Madras as the capital. The city became a major naval base and became the central administrative centre for the British in South India. The city was the baseline for the Great Trigonometrical Survey of India , which was started on 10 April 1802. With the advent of railways in India in the 19th century, the city was connected to other major cities such as Bombay and Calcutta , promoting increased communication and trade with
5734-600: The Treaty of Aix-la-Chapelle and strengthened the town's fortress wall to withstand further attacks from the French and Hyder Ali , the king of Mysore . They resisted a French siege attempt in 1759. In 1769, the city was threatened by Hyder Ali during the First Anglo-Mysore War with the Treaty of Madras ending the conflict. By the 18th century, the British had conquered most of the region and established
5856-486: The gems of Sri Lanka . Garnet and other precious gems are also found in abundance in the Indian states of Odisha and Andhra Pradesh . A 2014 study found that as a result of ocean acidification, there was reduced shell thickness of marine animals and breaking strength compared to normal shells. The study also showed that the pH in Bay of Bengal fell to 7.75 compared in 1994 when it averaged 7.95. From January to October,
5978-432: The hinterland . After India gained its independence in 1947, the city became the capital of Madras State , the predecessor of the current state of Tamil Nadu. The city was the location of the hunger strike and death of Potti Sreeramulu which resulted in the formation of Andhra State in 1953 and eventually the re-organization of Indian states based on linguistic boundaries in 1956. In 1965, agitations against
6100-427: The imposition of Hindi and in support of continuing English as a medium of communication arose which marked a major shift in the political dynamics of the city and eventually led to English being retained as an official language of India alongside Hindi. On 17 July 1996, the city was officially renamed from Madras to Chennai, in line with then a nationwide trend to using less Anglicised names. On 26 December 2004,
6222-637: The sacred sea . The daily practise includes prayer and fire offering to the sea at Swargadwar in Puri by disciples of the Govardhana matha of the Shankaracharya. On Paush Purnima of every year the Shankaracharya himself comes out to offer prayers to the sea. The islands in the bay are numerous, including the Andaman Islands and Nicobar Islands of India. The Cheduba group of islands, in
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#17327910533106344-561: The south zonal office of the Reserve Bank of India , the country's central bank, along with its zonal training centre and staff College, one of the two colleges run by the bank. The city also houses a permanent back office of the World Bank . About 400 financial industry businesses are headquartered in the city. DRDO , India's premier defence research agency operates various facilities in Chennai. Heavy Vehicles Factory of
6466-424: The weather radar at the Chennai Port prohibited the construction of buildings taller than 60 m around a radius of 10 km till 2009. This resulted in the central business district expanding horizontally, unlike other metropolitan cities, while the peripheral regions began experiencing vertical growth with the construction of taller buildings with the tallest building at 161 metres (528 ft). Chennai
6588-467: The "SaaS Capital of India". The automotive industry in Chennai accounts for more than 35% of India's overall automotive components and automobile output, earning the nickname " Detroit of India ". A large number of automotive companies have their manufacturing bases in the city. Integral Coach Factory in Chennai manufactures railway coaches and other rolling stock for Indian Railways . Ambattur Industrial Estate housing various manufacturing units
6710-412: The 15th century CE. The Portuguese arrived in 1522 and built a port named São Tomé after the Christian apostle, St. Thomas , who is believed to have preached in the area between 52 and 70 CE. In 1612, the Dutch established themselves near Pulicat , north of Chennai. On 20 August 1639, Francis Day of the British East India Company along with the Nayak of Kalahasti Chennappa Nayaka met with
6832-399: The Adyar, Cooum and Kosathaliyar rivers, and the Buckingham canal are heavily polluted with effluents and waste from domestic and commercial sources. The encroachment of urban development on wetlands has hampered the sustainability of water bodies and was a major contributor to the floods in 2015 and 2023 and water scarcity crisis in 2019 . The Chennai River Restoration Trust set up by
6954-417: The Bay of Bengal . Geopolitically, the bay is bounded on the west and northwest by India, on the north by Bangladesh, and on the east by Myanmar and the Andaman and Nicobar Islands of India. Its southern limit is a line between Sangaman Kanda , Sri Lanka, and the northwesternmost point of Sumatra , Indonesia. Cox's Bazar , the longest sea beach in the world and Sundarbans , the largest mangrove forest and
7076-411: The Bay of Bengal was also called the Chola Sea or Chola Lake. The Kakatiya dynasty reached the western coastline of the Bay of Bengal between the Godavari and the Krishna rivers. Kushanas about the middle of the 1st century AD invaded northern India perhaps extending as far as the Bay of Bengal. Chandragupta Maurya extended the Maurya Dynasty across northern India to the Bay of Bengal. Hajipur
7198-471: The Bay of Bengal. The Ganga is the northernmost of these rivers. Its main channel enters and flows through Bangladesh, where it is known as the Padma River , before joining the Meghna River . However, the Brahmaputra River flows from east to west in Assam before turning south and entering Bangladesh where it is called the Jamuna River . This joins the Padma where upon the Padma joins the Meghna River that finally drains into Bay of Bengal. The Sundarbans
7320-443: The Bengal Delta and the submarine fan , a vast structure that extends from Bengal to south of the Equator, is up to 16.5 kilometres (10.3 mi) thick, and contains at least 1,130 trillion tonnes of sediment, which has accumulated over the last 17 million years at an average rate of 665 million tons per annum. The fan has buried organic carbon at a rate of nearly 1.1 trillion mol/yr (13.2 million t/yr) since
7442-435: The Bengal fan are from Early Miocene age. Their mineralogical and geochemical characteristics allow to identify their Himalayan origin and demonstrate that the Himalaya was already a major mountain range 20 million years ago. The fan completely covers the floor of the Bay of Bengal. It is bordered to the west by the continental slope of eastern India, to the north by the continental slope of Bangladesh and to east by
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#17327910533107564-428: The Buckingham Canal at Basin Bridge . The groundwater table in Chennai is at 4–5 m (13–16 ft) below ground level on average and is replenished mainly by rainwater. Of the 24.87 km (15.45 mi) coastline of the city, 3.08 km (1.91 mi) experiences erosion, with sand accretion along the shoreline at the Marina beach and the area between the Ennore Port and Kosasthalaiyar river . Chennai
7686-406: The Burma Shell building (presently the Chennai House), both built in the 1930s, and the Dare House built in 1940 examples of this architecture. After Independence , the city witnessed a rise in the Modernism and the completion of the LIC Building in 1959, the tallest building in the country at that time marked the transition from lime-and-brick construction to concrete columns. The presence of
7808-410: The East Indian Winter Jet. September and December see very active weather, season varsha (or monsoon), in the Bay of Bengal producing severe cyclones which affect eastern India. Several efforts have been initiated to cope with storm surge . The Bay of Bengal is full of biological diversity, diverging amongst coral reefs , estuaries , fish spawning and nursery areas, and mangroves . The Bay of Bengal
7930-414: The Ganges", and old European maps continued to use this name. The other Sanskrit names for Bay of Bengal are Vaṅgopasāgara (Sanskrit: वङ्गोपसागर, lit. ' Bengal Sub-sea or Bengal Bay ' ), Vaṅgasāgara (Sanskrit: वङ्गसागर, lit. ' Bengal Sea ' ), Pūrvapayodhi (Sanskrit: पूर्वपयोधि, lit. ' Eastern Ocean ' ). In ancient Classical India , the Bay of Bengal
8052-500: The Tamil originally spoken by the native people of the city. Korean , Japanese , French , Mandarin Chinese , German and Spanish are spoken by foreign expatriates residing in the city. Chennai is home to a diverse population of ethno-religious communities. As per census of 2011, Chennai's population was majority Hindu (80.73%) with 9.45% Muslim , 7.72% Christian , 1.27% others and 0.83% with no religion or not indicating any religious preference. Tamils form majority of
8174-401: The Vijayanager Emperor Peda Venkata Raya at Chandragiri and obtained a grant for land on the Coromandel coast on which the company could build a factory and warehouse for their trading activities. On 22 August, he secured the grant for a strip of land about 9.7 km (6 mi) long and 1.6 km (1 mi) inland in return for a yearly sum of five hundred lakh pagodas . The region
8296-405: The adjoining suburbs constitutes the Chennai Metropolitan Area , the 35th-largest urban area in the world by population and one of the largest metropolitan economies of India. Chennai has the fifth-largest urban economy and the third-largest expatriate population in India. As a gateway to South India, Chennai is among the most-visited Indian cities ranking 36th among the most-visited cities in
8418-407: The areas surrounding the temples. Chennai has the second highest number of heritage buildings in the country. With the Mugals influence in mediaeval times and the British later, the city saw a rise in a blend of Hindu , Islamic and Gothic revival styles, resulting in the distinct Indo-Saracenic architecture. The architecture for several institutions followed the Indo-Saracenic style with
8540-419: The city houses the state executive and legislative headquarters primarily in the secretariat buildings in Fort St George. Madras High Court is the highest judicial authority in the state, whose jurisdiction extends across Tamil Nadu and Puducherry . The Greater Chennai Police (GCP) is the primary law enforcement agency in the city and is headed by a commissioner of police . The Greater Chennai Police
8662-439: The city through 27 water distribution stations. The city receives 530 million litres per day (mld) of water from Krishna River through Telugu Ganga project and 180 mld of water from the Veeranam lake project. 100 million litres of treated water per day is produced from the Minjur desalination plant, the country's largest seawater desalination plant. Chennai is predicted to face a deficit of 713 mld of water by 2026 as
8784-504: The city to 426 km (164 sq mi), the Chennai Municipal Corporation was renamed as Greater Chennai Corporation and the population including the new city limits as per the 2011 census was 6,748,026. As of 2019 , 40 per cent of the 1.788 million families in the city live below the poverty line . As of 2017 , the city had 2.2 million households, with 40 per cent of the residents not owning
8906-499: The city's economy with more than 40% of total medical tourists visiting India making it to Chennai. The city's water supply and sewage treatment are managed by the Chennai MetroWater Supply and Sewage Board . Water is drawn from Red Hills Lake and Chembarambakkam Lake , the major water reservoirs in the city and treated at water treatment plants located at Kilpauk , Puzhal , Chembarambakkam and supplied to
9028-439: The city. Chennai was the only South Asian city to be ranked among National Geographic 's "Top 10 food cities" in 2015. The economy of Chennai consistently exceeded national average growth rates due to reform-oriented economic policies in the 1970s. With the presence of two major ports, an international airport, and a converging road and rail networks, Chennai is often referred to as the "Gateway of South India". According to
9150-655: The city. Two major rivers flow through Chennai, the Cooum River (or Koovam ) through the centre and the Adyar River to the south. A section of the Buckingham Canal built in 1877-78, runs parallel to the Bay of Bengal coast, linking the two rivers. Kosasthalaiyar River traverses through the northern fringes of the city before draining into the Bay of Bengal, at Ennore Creek . The Otteri Nullah , an east–west stream, runs through north Chennai and meets
9272-757: The country. With the history of Chennai dating back centuries, the architecture of Chennai ranges in a wide chronology. The oldest buildings in the city date from the 6th to 8th centuries CE, which include the Kapaleeshwarar Temple in Mylapore and the Parthasarathy Temple in Triplicane , built in the Dravidian architecture encompassing various styles developed during the reigns of different empires. In Dravidian architecture ,
9394-411: The crime rate in the city was 101.2 per hundred thousand people. In 2009, Madras Central Prison , the major prison and one of the oldest in India was demolished with the prisoners moved to the newly constructed Puzhal Central Prison . While the major part of the city falls under three parliamentary constituencies ( Chennai North , Chennai Central and Chennai South ), the Chennai metropolitan area
9516-538: The current is northward flowing, and the clockwise circulation pattern is called the "East Indian Current". The Bay of Bengal monsoon moves in a northwest direction striking the Nicobar Islands, and the Andaman Islands first end of May, then coast of Mainland India by end of June. The remainder of the year, the counterclockwise current is southwestward flowing, and the circulation pattern is called
9638-644: The demand is projected at 2,248 mld and supply estimated at 1,535 mld. The city's sewer system was designed in 1910, with some modifications in 1958. Bay of Bengal The Bay of Bengal is the northeastern part of the Indian Ocean . The world's largest bay , geographically it is positioned between the Indian subcontinent and the Indochinese peninsula , located below the Bengal region . Many South Asian and Southeast Asian countries are dependent on
9760-529: The dispute between India and Bangladesh was also settled in which the UN tribunal awarded Bangladesh 19,467 km of the 25,602 km sea area of the Bay of Bengal. The Bay of Bengal in the stretch of Swargadwar , the gateway to heaven in Sanskrit , in the Indian town of Puri is considered holy by Hindus . The Samudra arati is a daily tradition started by the present Shankaracharya of Puri 9 years ago to honour
9882-431: The early Miocene period. The three rivers currently contribute nearly 8% of the total organic carbon (TOC) deposited in the world's oceans. Due to high TOC accumulation in the deep sea bed of the Bay of Bengal, the area is rich in oil and natural gas and gas hydrate reserves. Bangladesh can reclaim land substantially and economically gain from the sea area by constructing sea dikes , bunds, causeways and by trapping
10004-582: The early 18th century, the Government Museum and the National Art Gallery are amongst the oldest in the country. The museum inside the premises of Fort St. George maintains a collection of objects of the British era. The museum is managed by the Archaeological Survey of India and has in its possession, the first Flag of India hoisted at Fort St George after the declaration of India's Independence on 15 August 1947 . Chennai
10126-517: The early 20th century. Keechaka Vadham , the first film in South India was produced in the city and released in 1917. Gemini and Vijaya Vauhini studios were established in the 1940s, amongst the largest and earliest in the country. Chennai hosts many major film studios, including AVM Productions , the oldest surviving studio in India. Chennai cuisine is predominantly South Indian with rice as its base. Most local restaurants still retain their rural flavour, with many restaurants serving food over
10248-726: The earth is broken up into what are called tectonic plates . Underneath the Bay of Bengal, which is part of the great Indo-Australian Plate and is slowly moving north east. This plate meets the Burma Microplate at the Sunda Trench . The Nicobar Islands and the Andaman Islands are part of the Burma Microplate. The India Plate subducts beneath the Burma Plate at the Sunda Trench or Java Trench. Here,
10370-548: The first British fortress in India. The city was made the winter capital of the Madras Presidency , a colonial province of the British Raj in the Indian subcontinent . After India gained independence in 1947, Madras continued as the capital city of the Madras State and present-day Tamil Nadu. The city was officially renamed as Chennai in 1996. The city is coterminous with Chennai district , which together with
10492-700: The first government under C. N. Annadurai in 1967. In 1972, a split in the DMK resulted in the formation of the All India Anna Dravida Munnetra Kazhagam (AIADMK) led by M. G. Ramachandran . The two Dravidian parties continue to dominate electoral politics, the national parties usually aligning as junior partners to the two major Dravidian parties. Many film personalities became politicians and later chief ministers, including C. N. Annadurai, M. Karunanidhi , M. G. Ramachandran, Janaki Ramachandran and Jayalalithaa . Tamil is
10614-447: The first phase, the road will be widened to 100 ft (4 lanes) with center median at a cost of ₹ 980 million. As of 30 June 2014, CTH Road is being re-laid end to end and for the first time in history of this road, a proper center median is placed. Tamil Nadu Government, under Jayalalitha is delivering to the safety and security of millions of residents along this stretch by properly developing this road, which has been languishing for
10736-462: The government of Tamil Nadu is working on the restoration of the Adyar River. The Environmentalist Foundation of India is a volunteering group working towards wildlife conservation and habitat restoration. A resident of Chennai is called a Chennaite . According to 2011 census , the city had a population of 4,646,732, within an area of 174 km (67 sq mi). Post expansion of
10858-658: The health of the Bay, that they can work on together. With the support of the Bay Of Bengal Large Marine Ecosystem Project (BOBLME), the eight countries are now (2012) developing responses to these issues and their causes, for future implementation as the Strategic Action Programme. Fisheries production in the Bay of Bengal is six million tonnes per year, more than seven percent of the world's catch. The major transboundary issues relating to shared fisheries are:
10980-601: The high seas. The Bay of Bengal's connection of South Asia to East Asia has aided in Bangladesh's efficiency of distributing natural gas to the Asia Pacific. Its outlying islands (the Andaman and Nicobar Islands) and, most importantly, major ports such as Chittagong , Mongla , Payra , Paradip , Kolkata , Chennai , Visakhapatnam , and Tuticorin , along its coast with the Bay of Bengal added to its importance. China has recently made efforts to project influence into
11102-690: The idea conceived in a private meeting after a Theosophical convention held in the city in December 1884. The city has hosted yearly conferences of the Congress seven times, playing a major part in the Indian independence movement . Chennai is also the birthplace of regional political parties such as the South Indian Welfare Association in 1916 which later became the Justice Party and Dravidar Kazhagam . Politics
11224-511: The island of Sri Lanka and the Coromandel coast to the head of the bay, and thence southwards through a strip embracing the Andaman and Nicobar islands, is bounded by the 100 fathom line of sea bottom; some 50 m. beyond this lies the 500-fathom limit. Opposite the mouth of the Ganges, however, the intervals between these depths are very much extended by deltaic influence. Swatch of No Ground
11346-464: The language spoken by most of Chennai's population; English is largely spoken by white-collar workers . As per the 2011 census, Tamil is the most spoken language with 3,640,389 (78.3%) of speakers followed by Telugu (432,295), Urdu (198,505), Hindi (159,474) and Malayalam (104,994). Madras Bashai is a variety of the Tamil spoken by people in the city. It originated with words introduced from other languages such as English and Telugu on
11468-487: The monsoon and winter. The southern stretch of Chennai's coast from Tiruvanmiyur to Neelangarai are favoured by the endangered olive ridley sea turtles to lay eggs every winter. Guindy National Park is a protected area within the city limits and wildlife conservation and research activities take place at Arignar Anna Zoological Park . Madras Crocodile Bank Trust is a herpetology research station, located 40 km (25 mi) south of Chennai. The city's tree cover
11590-683: The name was in August 1639 in a sale deed to Francis Day of the East India Company. A land grant was given to the Chennakesava Perumal Temple in Chennapatanam later in 1646, which some scholars argue to be the first use of the name. The name Madras is of native origin, and has been shown to have been in use before the British established a presence in India. A Vijayanagara-era inscription found in 2015
11712-801: The natural habitat of the Bengal tiger , are located along the bay. The Bay of Bengal occupies an area of 2,600,000 square kilometres (1,000,000 sq mi). A number of large rivers flow into the Bay of Bengal: the Ganges – Hooghly , the Padma , the Brahmaputra – Jamuna , the Barak – Surma – Meghna , the Irrawaddy , the Godavari , the Mahanadi , the Brahmani , the Baitarani , the Krishna , and
11834-499: The north-east, off the Burmese coast, are remarkable for a chain of mud volcanoes, which are occasionally active. Great Andaman is the main archipelago or island group of the Andaman Islands, whereas Ritchie's Archipelago consists of smaller islands. Only 37, or 6.5%, of the 572 islands and islets of the Andaman and Nicobar Islands are inhabited. Many major rivers of India and Bangladesh flow west to east before draining into
11956-669: The northern part of Sunda Trench off Myanmar and the Andaman Islands , the accretionary wedge associated with subduction of the Indo-Australian Plate beneath the Sunda Plate and continues along the west side of the Ninety East Ridge . The Nicobar Fan, another lobe of the fan, lies east of the Ninety East Ridge. The fan is now being explored as a possible source of fossil fuels for
12078-702: The past 20 years. Local residents cheer the move. 4 Laning is currently underway and 6 laning planning is in full swing. Nine out of the 13 revenue villages in this 22 km stretch have submitted the proper legal documents. Heavy Encroachments on government land on both sides of the road in Ambattur OT and in few other stretches are still creating issues to the commuters, but residents are determined to shun these encroachment traders who are creating hell and havoc for millions of residents who travel in this stretch. Many thousand innocent people die in this stretch due to these encroachment traders. Residents continue to praise
12200-532: The planning and development of the Chennai Metropolitan Area , which is spread over an area of 1,189 km (459 sq mi), covering the Chennai district and parts of Tiruvallur , Kanchipuram and Chengalpattu districts. The metropolitan area consists of four municipal corporations , 12 municipalities and other smaller panchayats . As the capital of the state of Tamil Nadu,
12322-412: The population with minorities including Telugus , Marwaris , Gujaratis , Parsis , Sindhis , Odias , Goans , Kannadigas , Anglo-Indians , Bengalis , Punjabis , and Malayalees . The city also has a significant expatriate population. As of 2001 , out of the 2,937,000 migrants in the city, 61.5% were from other parts of the state, 33.8% were from rest of India and 3.7% were from outside
12444-517: The pressure of the two plates on each other increase pressure and temperature resulting in the formation of volcanoes such as the volcanoes in Myanmar , and a volcanic arc called the Sunda Arc . The Sumatra-Andaman earthquake and Asian tsunami was a result of the pressure at this zone causing a submarine earthquake which then resulted in a destructive tsunami. A zone 50 m wide extending from
12566-493: The region through tie-ups with Myanmar and Bangladesh. The United States has held major exercises with Bangladesh, Malaysia, Singapore, Thailand and recently India. The largest ever wargame in Bay of Bengal, known as Malabar 2007, was held in 2007 and naval warships from the United States, India, Singapore, Japan and Australia took part. Large deposits of natural gas in the areas within Bangladesh's sea zone incited
12688-541: The region. Pallavas of Kanchi became independent rulers of the region from 3rd to 9th century CE and the areas of Mahabalipuram and Pallavaram were built during the reign of Mahendravarman I . In 879, Pallavas were defeated by the Later Cholas led by Aditya I and Jatavarman Sundara Pandyan later brought the region under the Pandya rule in 1264. The region came under the influence of Vijayanagara Empire in
12810-629: The road would be developed into a four-lane facility at a cost of ₹ 980 million. However, some traders' federations, including the Tamil Nadu Vanigar Sangankalin Peravai, were against the proposal to make it a six-lane road for about a decade. On 4 October 2013, the Tamil Nadu Highways department issued a GO extending the entire stretch of the road till Tirutani to 6 lanes at a cost of ₹ 1,680 million, by means of land acquisition from 12 villages. In
12932-413: The season with significant flooding in 2015 and 2023 . </ref> A protected estuary on the Adyar River forms a natural habitat for several species of birds and animals. Chennai is also a popular city for birding with more than 130 recorded species of birds have been recorded in the city. Marshy wetlands such as Pallikaranai and inland lakes also host a number of migratory birds during
13054-545: The second oldest in the world after London . Historically, the region was part of the Chola , Pandya , Pallava and Vijayanagara kingdoms during various eras. The coastal land which then contained the fishing village Madrasapattinam, was purchased by the British East India Company from the Nayak ruler Chennapa Nayaka in the 17th century. The British garrison established the Madras city and port and built Fort St. George ,
13176-511: The sediment from its rivers. Further southwest of Bengal , the Mahanadi , Godavari , Krishna and Kaveri Rivers also flow from west to east across Deccan Plateau in Peninsular India and drain into the Bay of Bengal forming deltas . Many small rivers also drain directly into the Bay of Bengal forming estuaries ; the shortest of them is the Cooum River at 64 km (40 mi). While Myanmar's Irrawaddy River flows into
13298-473: The settlement. The region around Chennai was an important administrative, military, and economic centre for many centuries. During the 1st century CE , Tamil poet named Thiruvalluvar lived in the town of Mylapore , a neighbourhood of present-day Chennai. The region was part of Tondaimandalam which was ruled by the Early Cholas in the 2nd century CE by subduing Kurumbas , the original inhabitants of
13420-466: The shrinkage of water bodies and wetlands. The water bodies have shrunk from an estimated 12.6 km (4.9 sq mi) in 1893 to 3.2 km (1.2 sq mi) in 2017. The number of wetlands in the city has decreased from 650 in 1970 to 27 in 2015. Nearly half of the native plant species in the city's wetlands have disappeared with only 25 per cent of the erstwhile area covered with aquatic plants still viable. The major water bodies including
13542-537: The surrounding developing nations . The fan was first identified by bathymetric survey in the sixties by Bruce C. Heezen and Marie Tharp which identified the abyssal cone and canyon structures. It was delineated and named by Joseph Curray and David Moore following a geological and geophysical survey in 1968. Coastal regions bordering the Bay of Bengal are rich in minerals. Sri Lanka, Serendib , or Ratna – Dweepa which means Gem Island. Amethyst , beryl , ruby , sapphire , topaz , and garnet are just some of
13664-461: The timeline of history. Coral reefs, tsunamis, cyclones, mangrove swamps, battles, and a criss-cross of sea routes in a high trading area combined with piracy have all contributed to shipwrecks in the Bay of Bengal. In chronological order: One of the first trading ventures along the Bay of Bengal was The Company of Merchants of London Trading into the East Indies, more commonly referred to as
13786-676: The work of Chief Minister, the TN State highway authorities and honest officers of the local municipality, who are helping to re-laying this road, rather than budging for the pressure from politically affiliated encroachment traders. In 2019, three flyovers were planned on the 22-km road at three junctions, viz. the Korattur Road junction, the Vanagaram Road junction, and the Mount Poonamallee–Avadi Road junction at
13908-616: The world in 2019. Ranked as a beta-level city in the Global Cities Index , Chennai regularly features among the best cities to live in India and is amongst the safest cities in India. Chennai is a major centre for medical tourism and is termed "India's health capital". Chennai houses a major portion of India's automobile industry, hence the name " Detroit of India". It was the only South Asian city to be ranked among National Geographic 's "Top 10 food cities" in 2015 and ranked ninth on Lonely Planet 's best cosmopolitan cities in
14030-740: The world. In October 2017, Chennai was added to the UNESCO Creative Cities Network (UCCN) list. It is a major film production centre and home to the Tamil-language film industry . The name Chennai was derived from the name of Chennappa Nayaka , a Nayak ruler who served as a general under Venkata Raya of the Vijayanagara Empire from whom the British East India Company acquired the town in 1639. The first official use of
14152-476: The year is in December–January, with average temperature of 19–25 °C (66–77 °F) and the lowest recorded temperature of 13.9 °C (57.0 °F) on 11 December 1895 and 29 January 1905. Chennai receives most of its rainfall from the northeast monsoon between October and December while smaller amounts of rain come from the southwest monsoon between June and September. The average annual rainfall
14274-508: Was a stronghold for Portuguese Pirates. In the 16th century, the Portuguese built trading posts in the north of the Bay of Bengal at Chittagong (Porto Grande) and Satgaon (Porto Pequeno). The earliest sign of Muslims in the region came from the textile trade routes where one targeted the east Arabian Sea influencing migration of Arabs and Persians and another to the west causing Buddhist Bengalis to culturally mix with Islam. In alphabetical order: Maritime archaeology or marine archaeology
14396-402: Was dated to the year 1367 and mentions the port of Mādarasanpattanam, along with other small ports on the east coast, and it was theorized that the aforementioned port is the fishing port of Royapuram . Madras might have been derived from Madraspattinam, a fishing village north of Fort St. George but it is uncertain whether the name was in use before the arrival of Europeans. In July 1996,
14518-475: Was established on 21 June 1683 followed by first commercial banks such as Bank of Hindustan (1770) and General Bank of India (1786). Bank of Madras merged with two other presidency banks to form Imperial Bank of India in 1921 which in 1955 became the State Bank of India , the largest bank in India. Chennai is the headquarters of nationalized banks Indian Bank and Indian Overseas Bank . Chennai hosts
14640-400: Was expanded from 174 km (67 sq mi) to an area of 426 km (164 sq mi), divided into three regions North, South and Central covering 200 wards . The corporation is headed by a mayor , elected by the councillors , who are elected through a popular vote by the residents. The Chennai Metropolitan Development Authority (CMDA) is the nodal agency responsible for
14762-441: Was most commonly known as Kalinga Sagar ( Kalinga Sea). Another name commonly used mainly in Tamil was Vanga Kadal. Northern Circars occupied the western coast of the Bay of Bengal and is now considered to be India's Odisha and Andhra Pradesh state. Chola dynasty (9th century to 12th century) when ruled by Rajaraja Chola I and Rajendra Chola I occupied and controlled the Bay of Bengal with Chola Navy circa AD 1014 ,
14884-569: Was then formerly a fishing village known as "Madraspatnam". A year later, the company built Fort St. George , the first major English settlement in India, which became the nucleus of the growing colonial city and urban Chennai. In 1746, Fort St. George and the town were captured by the French under General La Bourdonnais , the Governor of Mauritius , who plundered the town and its outlying villages. The British regained control in 1749 through
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