- Barak River is one of major rivers of South Assam.
- The 564 kilometres long river is part of Surma-Meghna River System.
- It rises in hill country of Manipur where it is biggest and most important of hill country rivers.
- After Manipur it flows through Mizoram and Assam.
- It later enters Bangladesh where it forks into Surma and Kushiyara rivers.
- The sixth national waterway stretch is on this river.
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