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
Healthcare in West Bengal with population 20 millions or more as of 2011 national census were considered as major states for this table). These data are based on Sample Registration System of Office of the Registrar General and Census Commissioner, India. Healthcare in West Bengal Healthcare in West Bengal features a universal health care system run by the state government. The Constitution of India charges every state with "raising of the level of nutrition and the standard of living of its people and the improvement of public health as among its primary duties". Ministry of Health & Family Welfare of the Government of West