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114-636: The Indian Medical Association has approximately 350,000 member doctors in 1,700 active local branches in 29 states and union territories in India. It is the largest association of medical doctors in India. Previously stationed out of Calcutta , the IMA is headquartered in New Delhi . Local branches send representatives to a central council which meets annually. The council delegates to a working committee that represents all state branches and meets at least three times

228-654: A United Nations Development Programme report, its wind and cyclone zone is "very high damage risk". The annual mean temperature is 26.8 °C (80.2 °F); monthly mean temperatures are 19–30 °C (66–86 °F). Summers (March–June) are hot and humid, with temperatures in the low 30s Celsius; during dry spells, maximum temperatures sometime exceed 40 °C (104 °F) in May and June. Winter lasts for roughly 2 + 1 ⁄ 2 months, with seasonal lows dipping to 9–11 °C (48–52 °F) in December and January. May

342-494: A councillor to the KMC. Each borough has a committee of councillors, each of whom is elected to represent a ward. By means of the borough committees, the corporation undertakes urban planning and maintains roads, government-aided schools, hospitals, and municipal markets. As Kolkata's apex body, the corporation discharges its functions through the mayor-in-council, which comprises a mayor , a deputy mayor, and ten other elected members of

456-736: A factory; Sutanuti was a riverside weavers' village; and Gobindapur was a trading post for Indian merchant princes. These villages were part of an estate belonging to the Sabarna Roy Choudhury family of zamindars . The estate was sold to the East India Company in 1698. In 1712, the British completed the construction of Fort William , located on the east bank of the Hooghly River to protect their trading factory. Facing frequent skirmishes with French forces ,

570-556: A period of proto-industrialization . The Bengal-Bihar-Orissa triangle was a major production center for cotton muslin cloth, silk cloth, shipbuilding, gunpowder, saltpetre, and metalworks. Factories were set up in Murshidabad, Dhaka, Patna, Sonargaon, Chittagong, Rajshahi, Cossimbazar, Balasore, Pipeli, and Hugli among other cities, towns, and ports. The region became a base for the British East India Company ,

684-785: A period of economic and political consolidation. The third Nawab Sarfaraz Khan was preoccupied with military engagements, including Nader Shah's invasion of India . Sarfaraz Khan was killed at the Battle of Giria by his deputy Alivardi Khan . The coup by Alivardi Khan led to the creation of a new dynasty. Nawab Alivardi Khan endured brutal raids by the Maratha Empire . The Marathas undertook six expeditions in Bengal from 1741 to 1748. The Maratha general Raghoji I of Nagpur conquered large parts of Orissa. Nawab Alivardi Khan made peace with Raghoji in 1751, ceding large parts of Orissa up to

798-755: A period when he had been found guilty by Delhi High Court of corrupt practices and abuse of power . The Journal of the Indian Medical Association , (JIMA), is indexed in the Index Medicus . Published monthly, JIMA has over 240,000 subscribers for its electronic version and is also available in microfilm through Bell & Howels , US. JIMA was founded in 1930 by Sir Nilratan Sircar , Bidhan Chandra Roy , Kumud Sankar Ray, and others in Calcutta . Calcutta Kolkata , also known as Calcutta ( its official name until 2001 ),

912-541: A police commissioner, is overseen by the West Bengal Ministry of Home Affairs . The Kolkata district elects two representatives to India's lower house, the Lok Sabha , and 11 representatives to the state legislative assembly. The Kolkata police district registered 15,510  Indian Penal Code cases in 2010, the 8th-highest total in the country. In 2010, the crime rate was 117.3 per 100,000, below

1026-461: A quarter of the population live on less than ₹ 27 (32¢ US) per day. Major manufacturing companies in the city are Alstom , Larsen & Toubro , Fosroc , Videocon . As in many other Indian cities, information technology became a high-growth sector in Kolkata starting in the late 1990s; the city's IT sector grew at 70% per annum—a rate that was twice the national average. The 2000s saw

1140-519: A result of the disputes. After the viceroy's exit, the provincial premier Murshid Quli Khan emerged as the de facto ruler of Bengal. His administrative coup merged the offices of the diwan (prime minister) and subedar (viceroy). In 1716, Khan shifted Bengal's capital from Dhaka to a new city named after himself. In 1717, Mughal Emperor Farrukhsiyar recognized Khan as the hereditary Nawab Nazim. The Nawab's jurisdiction covered districts in Bengal, Bihar, and Orissa. The Nawab's territory stretched from

1254-575: A secret treaty with the Dutch East India Company. This caused the British to replace Mir Jafar with his son-in-law Mir Qasim in October 1760. In one of his first acts, Mir Qasim ceded Chittagong, Burdwan and Midnapore to the East India Company. Mir Qasim also proved to be a popular ruler. But Mir Qasim's independent spirit eventually raised British suspicions. Mir Jafar was reinstalled as Nawab in 1763. Mir Qasim continued opposing

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1368-479: A stall for the city dwellers. The city receives 2,107 hours of sunshine per year, with maximum sunlight exposure occurring in April. Kolkata has been hit by several cyclones; these include systems occurring in 1737 and 1864 that killed thousands. More recently, Cyclone Aila in 2009 and Cyclone Amphan in 2020 caused widespread damage to Kolkata by bringing catastrophic winds and torrential rainfall. Pollution

1482-460: A state agency. As of 2012 , the city had 16 fire stations. State-owned Bharat Sanchar Nigam Limited , or BSNL, as well as private enterprises, among them Vodafone Idea , Bharti Airtel , Reliance Jio are the leading telephone and cell phone service providers in the city. with Kolkata being the first city in India to have cell phone and 4G connectivity, the GSM and CDMA cellular coverage

1596-435: A steady economic decline in the decades following India's independence due to steep population increases and a rise in militant trade-unionism , which included frequent strikes that were backed by left-wing parties. From the 1960s to the late 1990s, several factories were closed and businesses relocated. The lack of capital and resources added to the depressed state of the city's economy and gave rise to an unwelcome sobriquet:

1710-406: A surge of investments in the real estate, infrastructure, retail, and hospitality sectors; several large shopping malls and hotels were launched. Companies such as ITC Limited , CESC Limited , Exide Industries , Emami , Eveready Industries India , Lux Industries , Rupa Company , Berger Paints , Birla Corporation , Britannia Industries and Purushottam Publishers are headquartered in

1824-530: A year. The Indian Medical Association is one of the 27 founder members of the World Medical Association , joining in 1948. The IMA left the organization in 1985 due to the WMA's retention of South Africa, then a practitioner of apartheid. The IMA rejoined the WMA in 1993. A Reuters investigative report from 2015 found that the IMA had incorrectly told the WMA that charges of corruption brought by

1938-509: Is third most populous metropolitan region of India with a metro population of over 15 million (1.5 crore). Kolkata is regarded by many sources as the cultural capital of India and a historically and culturally significant city in the historic region of Bengal . The three villages that predated Calcutta were ruled by the Nawab of Bengal under Mughal suzerainty . After the Nawab granted

2052-633: Is 1.5–9 m (5–30 ft). Much of the city was originally a wetland that was reclaimed over the decades to accommodate a burgeoning population. The remaining undeveloped areas, known as the East Kolkata Wetlands , were designated a "wetland of international importance" by the Ramsar Convention (1975). As with most of the Indo-Gangetic Plain , the soil and water are predominantly alluvial in origin. Kolkata

2166-447: Is a major concern in Kolkata. As of 2008 , sulphur dioxide and nitrogen dioxide annual concentration were within the national ambient air quality standards of India, but respirable suspended particulate matter levels were high, and on an increasing trend for five consecutive years, causing smog and haze. Severe air pollution in the city has caused a rise in pollution-related respiratory ailments, such as lung cancer. Kolkata, which

2280-548: Is also experiencing marked growth in its manufacturing base. In the 2011 West Bengal Legislative Assembly election , Left Front was succeeded by the Trinamool Congress . Spread roughly meridionally along the east bank of the Hooghly River , Kolkata sits within the lower Ganges Delta of eastern India approximately 75 km (47 mi) west of the international border with Bangladesh; the city's elevation

2394-602: Is east of the town. To promote the recycling of garbage and sewer water, agriculture is encouraged on the dumping grounds. Parts of the city lack proper sewerage, leading to unsanitary methods of waste disposal. In 1856, the Bengal Government appointed George Turnbull to be the Commissioner of Drainage and Sewerage to improve the city's sewerage. Turnbull's main job was to be the Chief Engineer of

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2508-692: Is extensive. As of 2010 , Kolkata has 7 percent of the total broadband internet consumers in India; BSNL, VSNL , Tata Indicom , Sify, Hathway , Airtel, and Jio are among the main vendors. The Eastern Command of the Indian Army is based in the city. Being one of India's major city and the largest city in eastern and north-eastern India, Kolkata hosts diplomatic missions of many countries such as Australia, Bangladesh, Bhutan, Canada, People's Republic of China, France, Germany, Italy, Japan, Myanmar, Nepal, Russia, Sri Lanka, Switzerland, Thailand, United Kingdom and United States . The U.S Consulate in Kolkata

2622-746: Is home to institutions of national importance, including the Academy of Fine Arts , the Asiatic Society , the Indian Museum and the National Library of India . The University of Calcutta , first modern university in south Asia and its affiliated colleges produced many leading figures of South Asia. It is the centre of the Indian Bengali film industry, which is known as Tollywood . Among scientific institutions, Kolkata hosts

2736-519: Is located over the "Bengal basin", a pericratonic tertiary basin. Bengal basin comprises three structural units: shelf or platform in the west; central hinge or shelf/slope break; and deep basinal part in the east and southeast. Kolkata is located atop the western part of the hinge zone which is about 25 km (16 mi) wide at a depth of about 45,000 m (148,000 ft) below the surface. The shelf and hinge zones have many faults, among them some are active. Total thickness of sediment below Kolkata

2850-520: Is nearly 7,500 m (24,600 ft) above the crystalline basement ; of these the top 350–450 m (1,150–1,480 ft) is Quaternary , followed by 4,500–5,500 m (14,760–18,040 ft) of Tertiary sediments, 500–700 m (1,640–2,300 ft) trap wash of Cretaceous trap and 600–800 m (1,970–2,620 ft) Permian - Carboniferous Gondwana rocks. The quaternary sediments consist of clay, silt and several grades of sand and gravel. These sediments are sandwiched between two clay beds:

2964-889: Is only state expressway, which is partially operational and partially under construction. The national expressways are Belghoria (part of AH1 and NH12 ), operational and Kona Expressway (part of NH12 ), at grade road operational but elevated corridor under construction. Some national expressways are planned or in various stages of construction to connect directly with many major metropolises and cities of India. Those are: Varanasi–Kolkata Expressway and Patna Kolkata Expressway. Kolkata has international road connectivity to Dhaka , Bangladesh by Jessore Road ; to Bangkok , Thailand and Myanmar by Kolkata-Thailand-Bangkok Trilateral Highway (an extension of IMT Highway ) and to Nepal and Bhutan by NH12 and proposed Haldia–Raxaul Expressway . Nawab of Bengal The Nawab of Bengal ( Bengali : বাংলার নবাব , bāṅglār nôbāb )

3078-547: Is the US Department of State 's second-oldest Consulate and dates from 19 November 1792. The Diplomatic representation of more than 65 Countries and International Organization is present in Kolkata as Consulate office, honorary Consulate office, Cultural Centre, Deputy High Commission and Economic section and Trade Representation office. Public transport is provided by the Kolkata Suburban Railway ,

3192-575: Is the largest and second busiest suburban railway network in the country by number of stations and track length, and also one of the largest in the world. Kolkata has five long-distance inter-city railway stations, located at Howrah (the largest and busiest railway complex in India, as of 2024 ), Sealdah (2nd busiest in India, as of 2024 ), Kolkata , Shalimar and Santragachi Junction , which connect Kolkata by rail to most cities in West Bengal and to other major cities in India. The city serves as

3306-703: Is the area south of Park Street , which comprises thoroughfares such as Jawahar Lal Nehru Road , Abanindranath Thakur Sarani , Dr. Martin Luther King Sarani, Dr. Upendra Nath Brahmachari Sarani, Shakespeare Sarani and Acharay Jagadish Chandra Basu Road . South Kolkata developed after India gained independence in 1947; it includes upscale neighbourhoods such as Bhowanipore , Alipore , Ballygunge , Kasba , Dhakuria , Santoshpur , Garia , Golf Green , Tollygunge , New Alipore , Behala , Barisha etc. The south suburban areas like Maheshtala , Budge Budge , Rajpur Sonarpur , Baruipur etc. are also within

3420-523: Is the capital and largest city of the Indian state of West Bengal . It lies on the eastern bank of the Hooghly River , 80 km (50 mi) west of the border with Bangladesh . It is the primary financial and commercial centre of eastern and northeastern India . Kolkata is the seventh most populous city in India with an estimated city proper population of 4.5 million (0.45 crore) while its metropolitan region Kolkata Metropolitan Area

3534-457: Is the hottest month, with daily temperatures ranging from 27–37 °C (81–99 °F); January, the coldest month, has temperatures varying from 12–23 °C (54–73 °F). The highest recorded temperature is 43.9 °C (111.0 °F), and the lowest is 5 °C (41 °F). The winter is mild and very comfortable weather pertains over the city throughout this season. Often, in April–June,

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3648-816: Is the oldest High Court in India. It was preceded by the Supreme Court of Judicature at Fort William which was established in 1774. The Calcutta High Court has jurisdiction over the state of West Bengal and the Union Territory of the Andaman and Nicobar Islands . Kolkata has lower courts: the Court of Small Causes and the City Civil Court decide civil matters; the Sessions Court rules in criminal cases. The Kolkata Police , headed by

3762-488: Is the oldest underground mass transit system in India. The fully operational blue line spans the north–south length through the middle of the city. In 2020, part of the Second line was inaugurated to cover part of Salt Lake city , Kolkata metro area. This east–west green line connects two satellite cities of Kolkata namely Salt Lake and Howrah. Other operational lines are Purple line and Orange line. Kolkata Suburban Railway

3876-564: Is under the jurisdiction of the Kolkata Municipal Corporation (KMC), has an area of 206.08 km (80 sq mi). The east–west dimension of the city is comparatively narrow, stretching from the Hooghly River in the west to roughly the Eastern Metropolitan Bypass in the east—a span of 9–10 km (5.6–6.2 mi). The north–south distance is greater, and its axis is used to section

3990-470: The Battle of Buxar in 1764, which was the last real chance of resisting British expansion across the northern Indian subcontinent. The South Indian Kingdom of Mysore under Haider Ali and Tipu Sultan briefly eclipsed the dominant position of Bengal in the subcontinent. Tipu Sultan pursued aggressive military modernization; and set up a company to trade with communities around the Persian Gulf and

4104-514: The Central Bureau of Investigation against former IMA president Ketan Desai had been withdrawn. The IMA has expressed opposition to integrated medicine or the mixing together of systems of medicine in curriculum, practice and research in India, often by using the term "mixopathy". The IMA has held a number of nationwide protests. These have included several protests between November 2016 and March 2017 that objected to bills raised toward

4218-563: The East India Company a trading licence in 1690, the area was developed by the Company into Fort William . Nawab Siraj ud-Daulah occupied the fort in 1756 but was defeated at the Battle of Plassey in 1757, after his general Mir Jafar mutinied in support of the company, and was later made the Nawab for a brief time. Under company and later crown rule , Calcutta served as the de facto capital of India until 1911. Calcutta

4332-648: The East Indian Railway Company responsible for building the first railway 541 miles (871 km) from Howrah to Varanasi (then Benares ). Electricity is supplied by the privately operated Calcutta Electric Supply Corporation , or CESC, to the city proper; the West Bengal State Electricity Board supplies it in the suburbs. Fire services are handled by the West Bengal Fire Service ,

4446-845: The French East India Company , the Danish East India Company , the Austrian East India Company , the Ostend Company , and the Dutch East India Company . The British company eventually rivaled the authority of the Nawabs. In the aftermath of the siege of Calcutta in 1756, in which the Nawab's forces overran the main British base, the East India Company dispatched a fleet led by Robert Clive who defeated

4560-1123: The Geological Survey of India , the Botanical Survey of India , the Calcutta Mathematical Society , the Indian Science Congress Association , the Zoological Survey of India , the Horticultural Society , the Institution of Engineers , the Anthropological Survey of India and the Indian Public Health Association . The Port of Kolkata is India's oldest operating port. Four Nobel laureates and two Nobel Memorial Prize winners are associated with

4674-660: The Japanese between 1942 and 1944, during World War II . Millions starved to death during the Bengal famine of 1943 (at the same time of the war) due to a combination of military, administrative, and natural factors. Demands for the creation of a Muslim state led in 1946 to an episode of communal violence that killed over 4,000. The partition of India led to further clashes and a demographic shift—many Muslims left for East Bengal (later East Pakistan , present day Bangladesh ), while hundreds of thousands of Hindus fled into

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4788-991: The Katra Masjid in Murshidabad; and the Bara Katra and Choto Katra in Dhaka. Dutch Bengali trading posts included the main Dutch port of Pipeli in Orissa; the Dutch settlement in Rajshahi ; and the towns of Cossimbazar and Hugli . The Danes built trading posts in Bankipur and on islands of the Bay of Bengal . Balasore in Orissa was a prominent Austrian trading post. Bengali cities were full of brokers, workers, peons, naibs, wakils, and ordinary traders. The Nawabs were patrons of

4902-553: The Kolkata Metro , trams , rickshaws , taxis and buses. The suburban rail network connects the city's distant suburbs. Kolkata Metro is the rapid transit system of Kolkat. According to a 2013 survey conducted by the International Association of Public Transport , in terms of a public transport system, Kolkata ranks top among the six Indian cities surveyed. The Kolkata Metro, in operation since 1984,

5016-559: The Kolkata metropolitan area , which is the city's urban agglomeration. The agency overseeing the latter, the Kolkata Metropolitan Development Authority , is responsible for the statutory planning and development of greater Kolkata. The Kolkata Municipal Corporation was ranked first out of 21 cities for best governance and administrative practices in India in 2014. It scored 4.0 on 10 compared to

5130-572: The Left Front , which was dominated by the Communist Party of India (CPM). It was the world's longest-serving democratically elected communist government, during which Kolkata was a key base for Indian communism . The city's economic recovery gathered momentum after the 1990s, when India began to institute pro-market reforms . Since 2000, the information technology (IT) services sector has revitalised Kolkata's stagnant economy. The city

5244-551: The Nawab of Bengal, Bihar and Orissa ( Bengali : বাংলা, বিহার ও উড়িষ্যার নবাব ). The Nawabs were based in Murshidabad which was centrally located within Bengal, Bihar, and Odisha. Their chief, a former prime minister, became the first Nawab. The Nawabs continued to issue coins in the name of the Mughal Emperor, but for all practical purposes, the Nawabs governed as independent monarchs. Bengal continued to contribute

5358-590: The Victoria Memorial , Howrah Bridge and the Grand Hotel . The city's heritage includes India's only Chinatown and remnants of Jewish , Armenian, Greek and Anglo-Indian communities. The city is closely linked with Bhadralok culture and the Zamindars of Bengal , including Bengali Hindu , Bengali Muslim and tribal aristocrats. The city is often regarded as India's cultural capital. Kolkata

5472-461: The secondary sector (industrial and manufacturing); and 83.69% worked in the tertiary sector (service industries). As of 2003 , the majority of households in slums were engaged in occupations belonging to the informal sector; 36.5% were involved in servicing the urban middle class (as maids, drivers, etc.) and 22.2% were casual labourers . About 34% of the available labour force in Kolkata slums were unemployed. According to one estimate, almost

5586-538: The summer monsoon , sometimes interrupt transportation networks. Kolkata along its metropolitan area is home to the second largest road network in India. As of 2022 , total road network in the city's metropolitan area is 4,018 km (2,497 mi), while the city proper has road network of 1,850 km (1,150 mi). The city has witnessed a steady increase in the number of registered vehicles: from 17 lakhs in 2019 to 21 lakhs in 2022, an 18.52 per cent jump. With 2,448 vehicles per kilometre of road, Kolkata has

5700-410: The "dying city". The city's fortunes improved after the Indian economy was liberalised in the 1990s and changes in economic policy were enacted by the West Bengal state government. Recent estimates of the economy of Kolkata's metropolitan area have ranged from $ 150 to $ 250 billion ( PPP GDP), and have ranked it third-most productive metro area of India. Flexible production has been

5814-499: The 1850s, Calcutta had two areas: White Town, which was primarily British and centred on Chowringhee and Dalhousie Square ; and Black Town, mainly Indian and centred on North Calcutta. The city underwent rapid industrial growth starting in the early 1850s, especially in the textile and jute industries; this encouraged British companies to massively invest in infrastructure projects, which included telegraph connections and Howrah . The coalescence of British and Indian culture resulted in

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5928-418: The 1947 partition of India , transforming its landscape and shaping its politics. The city was overtaken by Mumbai (formerly Bombay) as India's largest city. A demographically diverse city, the culture of Kolkata features idiosyncrasies that include distinctively close-knit neighbourhoods ( paras ) and freestyle conversations ( adda ). Kolkata's architecture includes many imperial landmarks, including

6042-453: The 1962 Sino-Indian War , and immigration to foreign countries for better economic opportunities. The Chinese community traditionally worked in the local tanning industry and ran Chinese restaurants. According to the 2011 census, 76.51% of the population is Hindu , 20.60%  Muslim , 0.88%  Christian and 0.47%  Jain . The remainder of the population includes Sikhs , Buddhists , and other religions which accounts for 0.45% of

6156-441: The 2005 National Family Health Survey, around 14% of the households in Kolkata were poor, while 33% lived in slums, indicating a substantial proportion of households in slum areas were better off economically than the bottom quarter of urban households in terms of wealth status. Mother Teresa was awarded the Nobel Peace Prize for founding and working with the Missionaries of Charity in Kolkata—an organisation "whose primary task

6270-437: The 2011 national census, Kolkata district, which occupies an area of 185 km (71 sq mi), had a population of 4,486,679; its population density was 24,252/km (62,810/sq mi). This represents a decline of 1.88% during the decade 2001–11. The sex ratio is 899 females per 1000 males—lower than the national average. The ratio is depressed by the influx of working males from surrounding rural areas, from

6384-442: The 20th century. The Jewish population of Kolkata was 5,000 during World War II, but declined after Indian independence and the establishment of Israel; as of 2003 , there were 25 Jews in the city. India's sole Chinatown is in eastern Kolkata; once home to 20,000 ethnic Chinese, its population dropped to around 2,000, as of 2009 , as a result of multiple factors including repatriation and denial of Indian citizenship following

6498-416: The Arabian Sea. Mysore's military technology at one point rivaled European technology. However, the Anglo-Mysore War ended Tipu Sultan's ascendancy. In 1765, Robert Clive , as the representative of the East India Company , was given the Diwani of Bengal by the Mughal emperor Shah Alam II . With this a system of dual governance was established, with the Nawabs responsible for the Nizamat of Bengal and

6612-576: The Bengali language name of one of three villages that predated the arrival of the British; the other two villages were Sutanuti and Govindapur . There are several explanations for the etymology of this name: Although the city's name has always been pronounced Kolkata or Kôlikata in Bengali, the anglicised form Calcutta was the official name until 2001, when it was changed to Kolkata in order to match Bengali pronunciation. The discovery and archaeological study of Chandraketugarh , 35 km (22 mi) north of Kolkata, provide evidence that

6726-403: The British and his father-in-law. He set up his capital in Munger and raised an independent army. Mir Qasim attacked British positions in Patna, overrunning the company's offices and killing its Resident. Mir Qasim also attacked the British-allied Gorkha Kingdom . Mir Qasim allied with Nawab Shuja-ud-Daula of Awadh and Mughal Emperor Shah Alam II . However, the Mughal allies were defeated at

6840-425: The British began to upgrade their fortifications in 1756. The Nawab of Bengal, Siraj-ud-Daulah , condemned the militarisation and tax evasion by the company. His warning went unheeded, and the Nawab attacked; his capture of Fort William led to the killings of several East India company officials in the Black Hole of Calcutta . A force of Company soldiers ( sepoys ) and British troops led by Robert Clive recaptured

6954-460: The British government abolished the symbolic authority of the Mughal court. After 1880, the descendants of the Nawabs of Bengal were recognised simply as Nawabs of Murshidabad with the mere status of a peerage . The Bengal Subah was the wealthiest subah of the Mughal Empire . There were several posts under the Mughal administrative system of Bengal since Akbar 's conquest in the 1500s. Nizamat (governornership) and diwani (premiership) were

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7068-462: The British presence in Bengal. He also feared invasions by the Durrani Empire from the north and Marathas from the west. On 20 June 1756, Nawab Siraj-ud-Daulah launched the siege of Calcutta , in which he won a decisive victory. The British were briefly expelled from Fort William, which came under the occupation of the Nawab's forces. The East India Company dispatched a naval fleet led by Robert Clive to regain control of Fort William. By January 1757,

7182-454: The British retook Fort William. The stalemate with the Nawab continued into June. The Nawab also began cooperating with the French East India Company, raising the ire of the British further. Britain and France were at the time pitted against each other in the Seven Years' War . On 23 June 1757, the Battle of Plassey brought an end to the independence of the Nawabs of Bengal. Nawab Siraj-ud-Daulah and his French allies were caught off guard by

7296-427: The Company responsible for the Diwani of Bengal. In 1772, this arrangement came to be abolished and Bengal was brought under direct control of the British. In 1793, the Mughal emperor also ceded the Nizamat of Bengal to the Company and the Nawab of Bengal was reduced to a mere titular position and pensioners of the Company. After the Revolt of 1857 , Company rule in India ended, and the British Crown , in 1858, took over

7410-445: The Hooghly River. The Kolkata metropolitan area is spread over 1,886.67 km (728.45 sq mi) and comprises 4 municipal corporations (including Kolkata Municipal Corporation), 37  local municipalities and 24  panchayat samitis , as of 2011 . The urban agglomeration encompassed 72 cities and 527 towns and villages, as of 2006 . Suburban areas in the Kolkata metropolitan area incorporate parts of

7524-426: The Indian military, which is based in Fort William, played a pivotal role in the Indo-Pakistani war of 1971 and securing the surrender of Pakistan . During the mid-1980s, Mumbai (then called Bombay) overtook Kolkata as India's most populous city. In 1985, Prime Minister Rajiv Gandhi dubbed Kolkata a "dying city" in light of its socio-political woes. In the period 1977–2011, West Bengal was governed from Kolkata by

7638-402: The KMC. The functions of the KMC include water supply, drainage and sewerage, sanitation, solid waste management, street lighting, and building regulation. Kolkata's administrative agencies have areas of jurisdiction that do not coincide. Listed in ascending order by area, they are: Kolkata district ; the Kolkata Police area and the Kolkata Municipal Corporation area, or "Kolkata city"; and

7752-452: The Kolkata Municipal Corporation limits, in their own municipal corporations or authorities. Kolkata is the commercial and financial hub of East and Northeast India and home to the Calcutta Stock Exchange . It is a major commercial and military port, and is one of five cities in eastern India (alongside Bhubaneswar , Guwahati , Imphal , and Kushinagar ) to have an international airport. Once India's leading city, Kolkata experienced

7866-495: The Kolkata Municipal Corporation) can be broadly divided into two groups— bustees , in which slum dwellers have some long term tenancy agreement with the landowners; and udbastu colonies , settlements which had been leased to refugees from present-day Bangladesh by the government. The unauthorised slums (devoid of basic services provided by the municipality) are occupied by squatters who started living on encroached lands—mainly along canals, railway lines and roads. According to

7980-418: The Mughal Empire began to decline, the Nawabs rose in power. By the early 1700s, the Nawabs were practically independent, despite a nominal tribute to the Mughal court. The Mughal court heavily relied on Bengal for revenue. Azim-us-Shan , the Mughal viceroy of Bengal, had a bitter power struggle with his prime minister ( diwan ) Murshid Quli Khan. Emperor Aurangzeb transferred Azim-us-Shan out of Bengal as

8094-490: The Nawab of Bengal as the subcontinent's wealthiest monarchy; but this was short-lived and ended with the Anglo-Mysore War . The British then turned their sights on defeating the Marathas and Sikhs . In 1772, Governor-General Warren Hastings shifted administrative and judicial offices from Murshidabad to Calcutta , the capital of the newly formed Bengal Presidency , and the de facto capital of British India. The Nawabs had lost all independent authority since 1757. In 1858,

8208-499: The Nawabs were abolished, and East India company took complete control of the city and the province. In the early 19th century, the marshes surrounding the city were drained; the government area was laid out along the banks of the Hooghly River. Richard Wellesley , Governor-General of the Presidency of Fort William between 1797 and 1805, was largely responsible for the development of the city and its public architecture. Throughout

8322-573: The arts , including the Murshidabad style of Mughal painting , Hindustani classical music , the Baul tradition, and local craftsmanship. The second Nawab Shuja-ud-Din Muhammad Khan developed Murshidabad's royal palace, military base, city gates, revenue office, public audience hall ( durbar ), and mosques in an extensive compound called Farrabagh (Garden of Joy) which included canals, fountains, flowers, and fruit trees. The second Nawab's reign saw

8436-535: The border with Oudh in the west to the border with Arakan in the east. The chief deputy of the Nawab was the Naib Nazim of Dhaka, the mayor of the former provincial capital whose own wealth was considerable; the Naib Nazim of Dhaka also governed much of eastern Bengal. Other important officials were stationed in Patna, Cuttack , and Chittagong. The aristocracy was composed of the Zamindars of Bengal . The Nawab

8550-481: The city into North, Central, South and East Kolkata. North Kolkata is the oldest part of the city. Characterised by 19th-century architecture and narrow alleyways, it includes areas such as Jorasanko , Rajabazar , Maniktala , Ultadanga , Shyambazar , Shobhabazar , Bagbazar , Cossipore , Sinthee etc. The north suburban areas like Dum Dum , Baranagar , Belgharia , Sodepur , Khardaha , New Barrackpore , Madhyamgram , Barrackpore , Barasat etc. are also within

8664-771: The city is struck by heavy rains or dusty squalls that are followed by thunderstorms or hailstorms, bringing cooling relief from the prevailing humidity. These thunderstorms are convective in nature, and are known locally as kal bôishakhi ( কালবৈশাখী ), or "Nor'westers" in English. Rains brought by the Bay of Bengal branch of the south-west summer monsoon lash Kolkata between June and September, supplying it with most of its annual rainfall of about 1,850 mm (73 in). The highest monthly rainfall total occurs in July and August. In these months often incessant rain for days brings life to

8778-522: The city of Kolkata (as a metropolitan structure). Central Kolkata hosts the central business district. It contains B. B. D. Bagh , formerly known as Dalhousie Square, and the Esplanade on its east; Rajiv Gandhi Sarani is on its west. The West Bengal Secretariat , General Post Office , Reserve Bank of India , Calcutta High Court , Lalbazar Police Headquarters and several other government and private offices are located there. Another business hub

8892-529: The city of Kolkata (as a metropolitan structure). The Maidan is a large open field in the heart of the city that has been called the "lungs of Kolkata" and accommodates sporting events and public meetings. The Victoria Memorial and Kolkata Race Course are located at the southern end of the Maidan. Among the other parks are Central Park in Bidhannagar and Millennium Park on Rajiv Gandhi Sarani, along

9006-670: The city such as the Coal India , National Insurance Company , Garden Reach Shipbuilders & Engineers , Tea Board of India , Geological Survey of India , Zoological Survey of India , Botanical Survey of India , Jute Corporation of India , National Test House, Hindustan Copper and the Ordnance Factories Board of the Indian Ministry of Defence . The demonym for residents of Kolkata are Calcuttan and Kolkatan . According to provisional results of

9120-462: The city the following year. Per the 1765 Treaty of Allahabad following the battle of Buxar , East India company was appointed imperial tax collector of the Mughal emperor in the province of Bengal, Bihar and Orissa, while Mughal-appointed Nawabs continued to rule the province. Declared a presidency city , Calcutta became the headquarters of the East India Company by 1773. In 1793, ruling power of

9234-527: The city. During the 1960s and 1970s, severe power shortages, strikes and a violent Marxist – Maoist movement by groups known as the Naxalites damaged much of the city's infrastructure, resulting in economic stagnation. During East Pakistan's secessionist war of independence in 1971, the city was home to the government-in-exile of Bangladesh . During the war, refugees poured into West Bengal and strained Kolkata's infrastructure. The Eastern Command of

9348-449: The city. Philips India, PwC India , Tata Global Beverages , and Tata Steel have their registered office and zonal headquarters in Kolkata. Kolkata hosts the headquarters of two major banks: UCO Bank , and Bandhan Bank . Reserve Bank of India , State Bank of India have its eastern zonal office in Kolkata. India Government Mint, Kolkata is one of the four mints in India. Some of the oldest public sector companies are headquartered in

9462-540: The city. Though home to major cricketing venues and franchises, Kolkata stands out in India for being the country's centre of association football. Kolkata is known for its grand celebrations of the Hindu festival of Durga Puja , which is recognized by UNESCO for its importance to world heritage. Kolkata is also known as the 'City of Joy'. The word Kolkata ( Bengali : কলকাতা [kolˈkata] ) derives from Kôlikata (Bengali: কলিকাতা [ˈkɔliˌkata] ),

9576-572: The creation of the National Medical Commission which replaced the Medical Council of India on 25 September 2020. In December 2020, approximately one million doctors attended a day-long strike organized by the IMA to protest a federal government rule that allows practitioners of the Indian system of medicine Ayurveda to perform minor surgeries. In early 2021, the IMA held a two-week nationwide hunger strike to protest

9690-418: The defection of the Nawab's Commander-in-Chief Mir Jafar to the British side. The British, under the leadership of Robert Clive, gained enormous influence over Bengal Subah as a result of the battle. The last independent Nawab was arrested by his former officers and killed in revenge for the brutality against his courtiers. Mir Jafar was installed as the puppet Nawab by the British. However, Jafar entered into

9804-577: The emergence of a new babu class of urbane Indians, whose members were often bureaucrats, professionals, newspaper readers, and Anglophiles; they usually belonged to upper-caste Hindu communities. In the 19th century, the Bengal Renaissance brought about an increased sociocultural sophistication among city denizens. In 1883, Calcutta was host to the first national conference of the Indian National Association , which

9918-499: The following districts: North 24 Parganas , South 24 Parganas , Howrah , Hooghly and Nadia . Two planned townships in the greater Kolkata region are Bidhannagar , also known as Salt Lake City and located north-east of the city; and Rajarhat , also called New Town and located east of Bidhannagar. In the 2000s, Sector 5 in Bidhannagar developed into a business hub for information technology and telecommunication companies. Both Bidhannagar and New Town are situated outside

10032-435: The government's support for surgical training for postgraduate students of Ayurveda. In 2022, Sahajanand Prasad Singh was listed as the national president for the organization. Singh was preceded in the post by surgeon J. A. Jayalal from 2020 to 2021. Longtime member and cardiologist K. K. Aggarwal held several posts within the IMA including president. Ketan Desai served as the organization's head from 2001 to 2003 following

10146-992: The headquarters of three railway zones out of eighteen of the Indian Railways regional divisions namely the Kolkata Metro, Eastern Railway and the South Eastern Railway . Kolkata has international rail connectivity with Dhaka , the capital of Bangladesh. Kolkata is the only Indian city with a tram network, which was operated by the Calcutta Tramways Company . It has now amalgamated to West Bengal Transport Corporation . There are three operational routes: Tollygunge to Ballygunge , Gariahat to Esplanade , Shyambazar to Esplanade . Trams are environment friendly but due to slow-moving and traffic congestion, tram attracts less passengers. Water-logging, caused by heavy rains during

10260-487: The highest car density in India. This leads major traffic congestion. The city's main bus terminals are located at Esplanade and Howrah . The Kolkata–Delhi and Kolkata– Chennai prongs of the Golden Quadrilateral , and National Highway 12 start from the outskirts of the city. As of 2024 , Kolkata has one state expressway and two national expressways , all in its metropolitan area. Kalyani Expressway

10374-577: The largest share of funds to the imperial treasury in Delhi. The Nawabs, backed by bankers such as the Jagat Seth , became the financial backbone of the Mughal court. The Nawabs, especially under the rule of Alivardi Khan of 16 years, were heavily engaged in various wars against the Marathas. Towards the end, he turned his attention to rebuilding and restoring Bengal . The Nawabs of Bengal oversaw

10488-455: The last independent Nawab Siraj-ud-Daulah at the Battle of Plassey in 1757. Mir Jafar was installed as the puppet Nawab. His successor Mir Qasim attempted in vain to dislodge the British. The defeat of Nawab Mir Qasim of Bengal, Nawab Shuja-ud-Daula of Oudh , and Mughal Emperor Shah Alam II at the Battle of Buxar in 1764 paved the way for British expansion across India. The South Indian Kingdom of Mysore led by Tipu Sultan overtook

10602-442: The late 18th and 19th century, the city was a centre of the East India Company's opium trade. A census in 1837 records the population of the city proper as 229,700, of which the British residents made up only 3,138. The same source says another 177,000 resided in the suburbs and neighbouring villages, making the entire population of greater Calcutta 406,700. In 1864, a typhoon struck the city and killed about 60,000 in Kolkata. By

10716-535: The lower one at a depth of 250–650 m (820–2,130 ft); the upper one 10–40 m (30–130 ft) in thickness. According to the Bureau of Indian Standards , on a scale ranging from I to V in order of increasing susceptibility to earthquakes, the city lies inside seismic zone III . Kolkata is subject to a tropical savanna climate that is designated Aw under the Köppen climate classification . According to

10830-596: The national average of 3.3. The Kolkata Port Trust, an agency of the central government, manages the city's river port. As of 2023 , the All India Trinamool Congress controls the KMC; the mayor is Firhad Hakim , while the deputy mayor is Atin Ghosh. The city has an apolitical titular post, that of the Sheriff of Kolkata , which presides over various city-related functions and conferences. As

10944-592: The national rate of 187.6; it was the lowest rate among India's largest cities. The Kolkata Municipal Corporation supplies the city with potable water that is sourced from the Hooghly River; most of it is treated and purified at the Palta pumping station located in North ;24 Parganas district. Roughly 95% of the 4,000 tonnes of refuse produced daily by the city is transported to the dumping grounds in Dhapa , which

11058-414: The norm in Kolkata, which has an informal sector that employs more than 40% of the labour force. One unorganised group, roadside hawkers , generated business worth ₹ 87.72 billion (equivalent to ₹ 300 billion or US$ 3.6 billion in 2023) in 2005. As of 2001 , around 0.81% of the city's workforce was employed in the primary sector (agriculture, forestry, mining, etc.); 15.49% worked in

11172-416: The population; 1.09% did not state a religion in the census. Kolkata reported 67.6% of Special and Local Laws crimes registered in 35 large Indian cities during 2004. Kolkata is administered by several government agencies. The Kolkata Municipal Corporation , or KMC, oversees and manages the civic infrastructure of the city's 16 boroughs, which together encompass 144 wards. Each ward elects

11286-708: The region in which the city stands has been inhabited for over two millennia. Kolkata or Kalikata in its earliest mentions, is described to be a village surrounded with jungle on the bank of river Ganga as a renowned port, commercial hub and a hindu pilgrimage site for Kalighat Temple . The first mention of the Kalikata village was found in Bipradas Pipilai's Manasa Vijay (1495), where he describes how Chand Sadagar used to stop in Kalighat to worship Goddess Kali during his path to trade voyage. Later Kalikata

11400-575: The rest of West Bengal; these men commonly leave their families behind. Kolkata's literacy rate of 87.14% exceeds the national average of 74%. The final population totals of census 2011 stated the population of city as 4,496,694. The urban agglomeration had a population of 14,112,536 in 2011. As of 2003 , about one-third of the population, or 15 lakh (1.5 million) people, lived in 3,500 unregistered squatter-occupied and 2,011 registered slums . The authorised slums (with access to basic services like water, latrines, trash removal by

11514-452: The river Subarnarekha. The Marathas demanded an annual tribute payment. The Marathas also promised to never to cross the boundary of the Nawab's territory. European trading companies also grew more influential in Bengal. Nawab Murshid Quli Khan was notorious for his repressive tax collection tactics, including torture for non-payment. Nawab Alivardi Khan's successor was Nawab Siraj-ud-Daulah . Nawab Siraj-ud-Daulah grew increasingly wary of

11628-696: The seat of the Government of West Bengal , Kolkata is home to not only the offices of the local governing agencies, but also the West Bengal Legislative Assembly ; the state secretariat, which is housed in the Writers' Building; and the Calcutta High Court . Most government establishments and institutions are housed in the centre of the city in B. B. D. Bagh (formerly known as Dalhousie Square). The Calcutta High Court

11742-444: The territories which were under direct rule of the company. This marked the beginning of Crown rule in India , and the Nawabs had no political or any other kind of control over the territory. Mir Jafar's descendants continued to live in Murshidabad. The Hazarduari Palace ( Palace of a Thousand Doors ) was built as the residence of the Nawabs in the 1830s. The palace was also used by British colonial officials. Nawab Mansur Ali Khan

11856-517: The two main branches of provincial government under the Mughals. The Subahdar was in-charge of the nizamat and had a chain of subordinate officials on the executive side, including diwans (prime ministers) responsible for revenue and legal affairs. The regional decentralization of the Mughal Empire led to the creation of numerous semi-independent strongholds in the Mughal provinces. As

11970-519: Was a major center of silk production. Shipbuilding in Chittagong enjoyed Ottoman and European demand. Patna was a center of metalworks and the military-industrial complex. The Bengal-Bihar region was a major exporter of gunpowder and saltpetre . The Nawabs presided over an era of growing organization in banking, handicrafts , and other trades. Bengal attracted traders from across Eurasia . Traders were lodged at caravanserais , including

12084-630: Was also found to be mentioned in Mukundaram Chakrabarti 's Chandimangal (1594), Todar Mal's taxation-list in 1596 and Krishnaram Das's Kalikamangal (1676–77). Kalighat was then considered a safe place for businessmen. They used to carry on trade through the Bhagirathi and took shelter there at night. Kolkata's recorded history began in 1690 with the arrival of the English East India Company , which

12198-421: Was backed up by the powerful Jagat Seth family of bankers and money lenders. The Jagat Seth controlled the flow of Bengali revenue into the imperial treasury in Delhi. They served as financiers to both the Nawabs and European companies operating in the region. The Nawabs profited from the revenue generated by the worldwide demand of muslin trade in Bengal , which was centered in Dhaka and Sonargaon . Murshidabad

12312-440: Was consolidating its trade business in Bengal. Job Charnock is often regarded as the founder of the city; however, in response to a public petition, the Calcutta High Court ruled in 2003 that the city does not have a founder. The area occupied by the present-day city encompassed three villages: Kalikata , Gobindapur and Sutanuti . Kalikata was a fishing village, where a handful of merchants began their operations by building

12426-482: Was once the premier centre of Indian commerce, culture, and politics, suffered many decades of political violence and economic stagnation before it rebounded. In the late 20th century, the city hosted the government-in-exile of Bangladesh during the Bangladesh Liberation War in 1971. It was also flooded with Hindu refugees from East Bengal (present-day Bangladesh) in the decades following

12540-463: Was the first avowed nationalist organisation in India. The partition of Bengal in 1905 along religious lines led to mass protests, making Calcutta a less hospitable place for the British. The capital was moved to New Delhi in 1911. Calcutta continued to be a centre for revolutionary organisations associated with the Indian independence movement . The city and its port were bombed several times by

12654-514: Was the hereditary ruler of Bengal Subah in Mughal India . In the early 18th-century, the Nawab of Bengal was the de facto independent ruler of the three regions of Bengal , Bihar and Orissa which constitute the modern-day sovereign country of Bangladesh and the Indian states of West Bengal , Bihar and Odisha . The Bengal Subah reached its peak during the reign of Nawab Shuja-ud-Din Muhammad Khan . They are often referred to as

12768-630: Was the last titular Nawab Nazim of Bengal. During his reign the nizamat at Murshidabad came to be debt-ridden. The Nawab left Murshidabad in February 1869, and had started living in England. The title of the Nawab of Bengal stood abolished in 1880. He returned to Bombay in October 1880 and pleaded his case against the orders of the government, but as it stood unresolved the Nawab renounced his styles and titles, abdicating in favour of his eldest son on 1 November 1880. The Nawabs of Murshidabad succeeded

12882-564: Was the second largest city in the British Empire , after London , and was the centre of bureaucracy, politics, law, education, science and the arts in India. The city was associated with many of the figures and movements of the Bengali Renaissance . It was the hotbed of the Indian nationalist movement . The partition of Bengal in 1947 affected the fortunes of the city. Following independence in 1947, Kolkata, which

12996-850: Was to love and care for those persons nobody was prepared to look after". Languages spoken in Kolkata city (2011 census) Bengali , the official state language, is the dominant language in Kolkata. English is also used, particularly by the white-collar workforce. Hindi and Urdu are spoken by a sizeable minority. Bengali Hindus form the majority of Kolkata's population; Marwaris , Biharis and Urdu-speaking Muslims compose large minorities. Among Kolkata's smaller communities are Chinese , Tamils , Nepalis , Pathans/Afghans (locally known as Kabuliwala ) Odias , Telugus , Gujaratis , Anglo-Indians , Armenians , Bengali Muslims , Greeks , Tibetans , Maharashtrians , Konkanis , Malayalees , Punjabis and Parsis . The number of Armenians, Greeks, Jews and other foreign-origin groups declined during

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