Bidhannagar or Salt Lake City, is a planned city in North 24 Parganas district in the Indian state of West Bengal and the main IT hub of Eastern India. It is a part of the city of Kolkata and is under the municipal administration of Bidhannagar Municipal Corporation (BMC). Designed by Yugoslav architect Dobrivoje Tošković, the development of Salt Lake commenced from late 1960s onwards from reclaimed wetlands and was developed into a major IT hub for the city Kolkata by the state government through the 1990s, 2000s and 2010s. Keeping with its original name, it is commonly referred to as Salt Lake City.