The correct answer is (a) Doyang.
The Doyang River is a river in Nagaland, India. It is a tributary of the Brahmaputra River. The Doyang River is about 150 kilometers long. It originates in the Patkai Hills and flows through the districts of Wokha and Mokokchung. The Doyang River is a major source of irrigation and drinking water for the people of Nagaland. It is also a popular destination for fishing and boating.
The Tizu River is a river in Nagaland, India. It is a tributary of the Doyang River. The Tizu River is about 100 kilometers long. It originates in the Patkai Hills and flows through the districts of Mon and Tuensang. The Tizu River is a major source of irrigation and drinking water for the people of Nagaland. It is also a popular destination for fishing and boating.
The Dhansiri River is a river in Assam, India. It is a tributary of the Brahmaputra River. The Dhansiri River is about 250 kilometers long. It originates in the Naga Hills and flows through the districts of Golaghat, Jorhat, and Sivasagar. The Dhansiri River is a major source of irrigation and drinking water for the people of Assam. It is also a popular destination for fishing and boating.
The Barak River is a river in Assam, India. It is a tributary of the Brahmaputra River. The Barak River is about 500 kilometers long. It originates in the Manipur Hills and flows through the districts of Cachar, Karimganj, and Hailakandi. The Barak River is a major source of irrigation and drinking water for the people of Assam. It is also a popular destination for fishing and boating.