With reference to river Teesta, consider the following

Solution

Statement 1 is incorrect. Teesta River originates from the Pahunri (or Teesta Kangse) glacier and flows southward through the Sikkim Himalaya. where the Rangpo River joins, and where it forms the border between Sikkim and West Bengal. Whereas, The Brahmaputra river rises from Chemayundung glacier of the Kailash range near the Mansarovar Lake to the north of the Himalayas in the southwest Tibet region. Statement 2 is correct. The Rangeet is a tributary of the Teesta river, which forms a boundary between Sikkim and Darjeeling. The Rangeet river originates in the Himalayan mountains in West Sikkim district. Statement 3 is incorrect. Teesta flows through Sikkim, West Bengal, and joins Jamuna river at Fulhhari in Bangladesh.