name the world's largest riverine island formed by the brahmaputra
Majuli Mājuli or Majoli (pron: ˈmʌʤʊlɪ) (Assamese: মাজুলী, Assamese pronunciation: [mazuli])[1] is a river island in the Brahmaputra River, Assam, India and the 1st island district of the country.[2] The island had a total area of 1,250 square kilometres (483 sq mi) at the beginning of the 20th century,[3] but having lost significantly to erosion it had an area of only 352 square kilometres (136 sq mi) in 2014.[4] Majuli has shrunk as the river surrounding it has grown.[5] However it is recognised by Guinness Book of World Records as World's Largest River Island.[6]
Teesta River At this point, it changes course southwards flowing into West Bengal. The river hits the plains at Sevoke, 22 kilometres (14Â mi) northeast of Siliguri, where it is spanned by the Coronation Bridge linking the northeast states to the rest of India. The river then goes merging up with the Brahmaputra River after it bifurcates the city of Jalpaiguri and flows just touching Cooch Behar district at Mekhliganj and moves to Fulchori in Bangladesh.[4]