The Barak River originates in the hills of:

Manipur
Nagaland
Assam
Mizoram

The Barak River originates in the hills of Manipur. It is the largest river in the Barak Valley of Assam and Bangladesh. The river is 586 kilometers long and has a drainage basin of 27,500 square kilometers. The Barak River is a major source of water for irrigation and drinking water in the Barak Valley. It is also a popular destination for fishing and boating.

The Barak River originates in the Manipur Hills, near the town of Imphal. The river flows south through Manipur and into Assam. In Assam, the Barak River flows through the Barak Valley, which is a fertile plain. The river then enters Bangladesh, where it flows into the Bay of Bengal.

The Barak River is a major source of water for irrigation and drinking water in the Barak Valley. The river is also a popular destination for fishing and boating. The Barak River is a vital part of the economy and culture of the Barak Valley.

The other options are incorrect because:

  • Nagaland is a state in northeastern India. It is not the source of the Barak River.
  • Assam is a state in northeastern India. It is the source of the Barak River, but it is not the only state that the river flows through.
  • Mizoram is a state in northeastern India. It is not the source of the Barak River.