List of rivers of Assam
Barak (borak) - Starts in the Hills of Manipur and flows through the Barak valley in South Assam.The Barak River is a river of Surma-Meghna River System. From source in Manipur it enters Mizoram then into Assam and thereafter Bangladesh where the Surma and Kushiyara rivers begin after splitting. The river gets a water from small streams like Gumti, Howrah, Kagni, Senai Buri, Hari Mangal, Kakrai, Kurulia, Balujhuri, Shonaichhari and Durduria and Madhura River. The important tributaries of the Barak are Jiri, the Dhaleshwari (Tlawng), the Singla, the Longai, the Madhura, the Sonai (Tuirial), the Rukni and the Katakhal.