Kolkata Manufacturing, Trade, Culture | Britannica
Among the products of Kolkata's hinterland have been coal, iron, manganese, mica, petroleum, tea, and jute. Unemployment, however, has been a continuing and growing problem since the 1950s. Kolkata is the centre of India's large juteprocessing industry. The jute industry was established in the 1870s, and mills now extend north and south of the