Kalyani, West Bengal Kalyani, West Bengal Kalyani is a city and a municipality of Nadia district in the Indian State of West Bengal. It is located around from Kolkata — the capital of West Bengal. It is a part of the area covered by Kolkata Metropolitan Development Authority (KMDA). Kalyani is the administrative headquarters of Kalyani subdivision. Situated on the banks of Hooghly River, the city is spread over an area of . According to the 2011 census, Kalyani had a population of 100,620. During the period of World War II, Kalyani was site of an American Airbase, known by the name of
Geography of West Bengal at places. West Bengal stands third in the country in terms of mineral production. The state contributes about one-fifth to the total production of minerals in the country. Coal constitutes 99% of the minerals extracted in West Bengal; fireclay, china clay, limestone, copper, iron, wolfram, manganese and dolomite are mined in small quantities. There are good possibilities of obtaining mineral oil and natural gas in the areas near the Bay of Bengal, in Purba Medinipur, Sundarbans, South 24 Parganas and North Bengal plains. Research is ongoing in various places to locate natural gas. West Bengal is the third largest state