name the world's largest riverine island formed by 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]