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 National University of Juridical Sciences since its inception in 1999. The NUJS is an autonomous university. Initially, classes, which started in 2000, were held at Aranya Bhavan, where the Environment Ministry of the government of West Bengal is located, and the first batches of students started living in government flats. On 28 October 2002, the university's present-day permanent campus was inaugurated by the then Chief Justice of India, B. N. Kirpal. In 2006, NUJS was allotted a plot in Rajarhat, an upscale township, which is being developed by the West Bengal government. NUJS was ranked third by "India Today"s "India's Best Colleges 2017: Law", second