Батыс Бенгалия: Географиясы, аудандары және тарихы

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The Himalayas lies in the north of West Bengal and the Bay of Bengal is at the south. Between them, the river Ganga flows eastwards and its main distributary, the Hooghly River, flows south to reach the Bay of Bengal. The Siliguri Corridor, which connects North East India with rest of the India, lies in the North Bengal region of the state. Geographically, West Bengal is divided into a variety of regions—Darjeeling Himalayan hill region, Terai and Dooars region, North Bengal plains, Rarh region, Western plateau and high lands, coastal plains, Sundarbans and the Ganga Delta. Divisions are administered by Divisional Commissioners. New Sundarban District from existing South 24 Parganas District, new Ichhamati District and Basirhat District from existing North 24 Parganas District. New Ranaghat District from existing Nadia District and Bishnupur District from existing Bankura district. While new Jangipur District and Berhampore district from existing Murshidabad District will be carved out.

West Bengal is bordered by three countries: Nepal, Bhutan and Bangladesh; and five Indian states: Sikkim, Bihar, Jharkhand, Odisha, and Assam. Sikkim and Bhutan are located to the north of the state, Nepal to the northwest, Bihar and Jharkhand in the west, Odisha in the southwest, the Bay of Bengal to the south, and Bangladesh and Assam are in the east. West Bengal is the only state of India that has both snowy mountains (Himalayas in the north) and sea beaches (on the coast of the Bay of Bengal in the south). In between them, the river Ganga enters the state from west, before it branches off into its main distributaries: the Hooghly River, which flows southwards to reach the Bay of Bengal, and the Padma River, which flows eastwards into Bangladesh. The districts that are located at the north of the Ganga—Darjeeling, Jalpaiguri, Cooch Behar, Malda, Uttar Dinajpur, Dakshin Dinajpur, Alipurduar and Kalimpong — are often referred to collectively as North Bengal. Kalimpong is a newly added district of West Bengal. Geographically, this area is divided into the Darjeeling Himalayan hill region, the Terai and Dooars region, and the North Bengal plains. The districts on the south of the Ganges—Bankura, Paschim Bardhaman, Purba Bardhaman, Birbhum, Purulia, Murshidabad, Nadia, West Midnapore, Jhargram, East Midnapore, Hooghly, Howrah, Kolkata, North 24 Parganas and South 24 Parganas—constitute a variety of geographical regions such as the Rarh region, the Western plateau and high lands, the coastal plains, the Sunderbans and the Ganga Delta.

After India gained independence in 1947, the province of Bengal was partitioned along religious lines. The western part remained in India (and was named West Bengal) while the eastern part joined newly formed Pakistan as a province called East Pakistan (later giving rise to Bangladesh in 1971). At the time of its creation in 1947, the state of West Bengal was divided into 14 districts—Bankura, Birbhum, Burdwan, Calcutta (Kolkata), Darjeeling, Jalpaiguri, Hooghly, Howrah, Malda, Midnapore, Murshidabad, Nadia, West Dinajpur and 24 Parganas. Cooch Behar district was a princely state named Koch Bihar till 20 August 1949, when the state formally agreed to join India. Transfer of administration was started on 12 September 1949 and was completed on 19 January 1950, when Cooch Behar became a district of West Bengal. Chandannagar, which was earlier part of the French India, had voted to join India in a plebiscite in 1949. Formally, it joined India in 1952 and finally became a part of the Hooghly district of West Bengal on 2 October 1954. The States Reorganisation Act of 1956 reorganised boundaries of the Indian states along linguistic lines. As this act was implemented, the then West Dinajpur district was enlarged with the addition of some areas from Bihar, and the Purulia district was formed on 1 November 1956 from parts of the Manbhum district of Bihar. Later, some large districts were divided into smaller districts. On 1 March 1986, the district of 24 Parganas was bifurcated into two districts—the North 24 Parganas district and the South 24 Parganas district. On 1 April 1992, the West Dinajpur district was bifurcated into the Uttar Dinajpur district and the Dakshin Dinajpur district. On 1 January 2002, the erstwhile Midnapore district was bifurcated into the Purba Medinipur district and the Paschim Medinipur district. Since 2007, the demand for a separate Gorkhaland state has been revived by the Gorkha Janmukti Morcha and its supporters in the Darjeeling hills. The Kamtapur People's Party and its supporters' movement for a separate Kamtapur state that covers the North Bengal has also gained momentum in the 2000s.