State (pop., 2001 prelim.: 80,221,171), northeastern India.
It is bordered by Nepal and Bangladesh and the states of Orissa , Jharkhand , Bihar , Sikkim , Assam , and Meghalaya and has an area of 34,267 sq mi (88,752 sq km); the capital is Kolkata (Calcutta). It encompasses two broad natural regions, the Gangetic Plain in the south and the Himalayas in the north. From the 3rd century BC it formed part of Ashoka 's empire. In the 4th century AD it was absorbed into the Gupta empire. From the 13th century it was under Muslim rule, until it came under the British in 1757. At Indian independence in 1947, it was partitioned, with the eastern sector becoming East Pakistan (later Bangladesh) and the western sector becoming India's West Bengal. The state is important for its mineral output, but agriculture is its main economic activity. It is noted for its artistic endeavours, including filmmaking.