Tourism in West Bengal is in the South Asia region of Bengal, consisting of West Bengal and its neighbouring country of Bangladesh. It is the world's largest delta, and empties into the Bay of Bengal. It is one of the most fertile regions in the world, thus earning the nickname "The Green Delta". It stretches from the Hooghly River on the west to the Meghna River on the east. It is approximately across at the Bay of Bengal. Kolkata and Haldia are the principal Indian seaports on the delta. The Acharya Jagadish Chandra Bose Indian Botanic Garden or Calcutta Botanical Garden (previously known as
West Bengal Legislative Assembly the provision that one-third of the members should retire every three years. On the eve of Independence in 1947, Bengal Province was partitioned into West Bengal and East Bengal (East Pakistan). The West Bengal Legislative Assembly was constituted with 90 members representing the constituencies that fell within the area of West Bengal and two nominated members from Anglo-Indian community. The Bengal Legislative Council stood abolished. The Legislative Assembly met for the first time after Independence on 21 November 1947. The Constitution of India again provided for a bicameral Legislature for West Bengal. Accordingly, the West Bengal Legislative Council consisting of