The correct answer is: c) Brahmaputra.
The Saraighat Bridge is a major transportation link between Guwahati and North Guwahati in Assam, India. It is built over the Brahmaputra River. The bridge is 4.94 km long and was completed in 1962. It is one of the longest bridges in India and is a major tourist attraction.
The Kopili River is a tributary of the Brahmaputra River. It flows through the states of Assam and Meghalaya. The Dhansiri River is also a tributary of the Brahmaputra River. It flows through the states of Assam and Nagaland. The Barak River is a major river in the Barak Valley of Assam. It flows through the states of Assam and Tripura.
The Brahmaputra River is the largest river in India. It flows through the states of Arunachal Pradesh, Assam, Nagaland, Manipur, Mizoram, Tripura, and Meghalaya. The river is also known as the Tsangpo in Tibet. The Brahmaputra River is a major source of irrigation and hydroelectric power in India.