Which river forms a major tributary of the Brahmaputra and originates in the Patkai hills?

Noa Dihing
Buri Dihing
Dhansiri
Subansiri

The correct answer is: d) Subansiri

The Subansiri is a river in India and China. It is a major tributary of the Brahmaputra River. The Subansiri originates in the Patkai Hills in India and flows through the states of Arunachal Pradesh and Assam. The river is about 500 kilometers long and has a drainage basin of about 20,000 square kilometers. The Subansiri is a major source of hydroelectric power in India.

The Noa Dihing is a river in India. It is a tributary of the Brahmaputra River. The Noa Dihing originates in the Patkai Hills in Assam and flows through the state of Assam. The river is about 200 kilometers long and has a drainage basin of about 10,000 square kilometers. The Noa Dihing is a major source of irrigation water in Assam.

The Buri Dihing is a river in India. It is a tributary of the Brahmaputra River. The Buri Dihing originates in the Patkai Hills in Assam and flows through the state of Assam. The river is about 150 kilometers long and has a drainage basin of about 5,000 square kilometers. The Buri Dihing is a major source of irrigation water in Assam.

The Dhansiri is a river in India. It is a tributary of the Brahmaputra River. The Dhansiri originates in the Naga Hills in Nagaland and flows through the states of Nagaland, Assam, and Manipur. The river is about 300 kilometers long and has a drainage basin of about 15,000 square kilometers. The Dhansiri is a major source of irrigation water in Assam and Manipur.