The Barak originates from the Barail Range in the border areas of Assam, Nagaland, and Manipur and flowing through the district of Cachar, it converges with the Brahmaputra in Bangladesh.
The Barak River begins in the Barail Mountains at the border of Assam, Nagaland, and Manipur, and flows through the Cachar district before meeting the Brahmaputra River in Bangladesh.