West Bengal and cargo ship service to ports in India and abroad, operated by the Shipping Corporation of India. Ferries are a principal mode of transport in the southern part of the state, especially in the Sundarbans area. Kolkata is the only city in India to have trams as a mode of transport, and these are operated by the Calcutta Tramways Company. Several government-owned organisations operate bus services in the state, including the Calcutta State Transport Corporation, the North Bengal State Transport Corporation, the South Bengal State Transport Corporation, the West Bengal Surface Transport Corporation, and the Calcutta Tramways Company. There are
Cities and towns in West Bengal is now reduced to 250 as Dhupguri and Dalkhola have been upgraded to municipality. Cities and towns in West Bengal West Bengal is the state with highest population density in India. The state is dotted with several small and medium towns and cities. Historically, the main source of income of the people of West Bengal has been farming, and, as a consequence, the state previously had a large rural population skew. At the turn of the 20th century, however, the role of industry in West Bengal increased substantially, leading to a population move into urban areas. In 1947, when India