Which of the following is/are tributary/tributaries of Brahmaputra?

1. Dibang
2. Kameng
3. Lohit

Select the correct answer using the code given below.

1. 1 only
2. 2 and 3 only
3. 1 and 3 only
4. 1, 2 and 3

Explanation

All are correct

• Right bank tributaries: Rango Tsangpo (in Tibet), Subansiri (largest tributary of the Brahmaputra), Kameng (Jiabharali), Dhansiri, Manas, Sankosh, Teesta.
• Left bank tributaries: Lohit, Dibang, Burhidihing, Disang, Dikhow, Dhansiri, Kopili.
• Dibang River:
  • It originates in the Upper Dibang Valley district near the Indo-Chinese border in Arunachal Pradesh.
  • It runs through the Mishmi Hills in the Dibang and Lower Dibang Valley districts before merging with the Lohit River north of the Dibu-Saikhowa sanctuary near Sadiya, Assam.
• Kameng River:
  • It originates in the Tawang district of Arunachal Pradesh, bordering Tibet. It flows southward through the West Kameng district before joining the Brahmaputra River near Tezpur, Assam.
• Lohit River:
  • It originates in the Eastern Himalayas in Tibet, where it is known as the Zayu River.
  • It enters India through Arunachal Pradesh, flows southward through the Lohit district, and merges with the Dibang River before joining the Brahmaputra River near Sadiya, Assam.

Answer: (d) 1, 2 and 3; Difficulty Level: Hard