The Barak River flows through the state of Manipur, Nagaland, Mizoram and Assam in India and flows into the Bay of Bengal via Bangladesh. The total length of the river is 900 km. The principal tributaries are all in India: the Sonai (or Tuirial), the Jiri, the Tlawng (or Dhaleswari or Katakal), the Jatinga, the Longai and the Madhura. Rupen, Banas and Machchhu are the desert river of India.