How many Indian states share a border with Assam?

Seven — Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya and West Bengal.

What is the Brahmaputra called in Tibet and in Arunachal Pradesh?

Yarlung Tsangpo in Tibet and Siang or Dihang in Arunachal Pradesh.

Which rivers join to form the Brahmaputra in Assam?

The Dihang (Siang) joins the Dibang and the Lohit in eastern Assam.

Name three north-bank tributaries of the Brahmaputra.

Subansiri, Jia Bhoroli and Manas (also Puthimari, Pagladiya and Sankosh).

Name three south-bank tributaries of the Brahmaputra.

Burhi Dihing, Kopili and Dhansiri (also Disang and Dikhow).

Which river drains southern Assam?

The Barak, which gives its name to the Barak Valley.

Which bridge across the Brahmaputra is named Bhupen Hazarika Setu?

The Dhola-Sadiya bridge, over the Lohit river in eastern Assam.

Geography

Assam Geography and Rivers: Brahmaputra, Barak and Majuli — Exam Notes

Geography questions in Assam papers concentrate on the river system: the Brahmaputra's names, its major tributaries by bank, Majuli, and the state's borders.

Learn the bank-wise tributary lists — that single distinction accounts for a large share of the geography questions actually asked.

Fast facts

Area	About 78,438 sq km
Neighbouring states	Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya and West Bengal
International borders	Bhutan and Bangladesh
Main river	Brahmaputra — called Yarlung Tsangpo in Tibet and Siang/Dihang in Arunachal Pradesh
Brahmaputra's formation	Formed in Assam's east where the Dihang meets the Dibang and Lohit
North-bank tributaries	Subansiri, Jia Bhoroli, Manas, Puthimari, Pagladiya, Sankosh
South-bank tributaries	Burhi Dihing, Dhansiri, Kopili, Disang, Dikhow
Second river system	Barak, draining the Barak Valley in southern Assam
Majuli	Large river island in the Brahmaputra and a district of Assam
Notable bridges	Saraighat (Guwahati), Bogibeel (rail-road, Dibrugarh side), Dhola-Sadiya / Bhupen Hazarika Setu

10 likely exam questions

1. What is the approximate area of Assam?
Answer: About 78,438 sq km.
2. How many Indian states share a border with Assam?
Answer: Seven — Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya and West Bengal.
3. Which two countries border Assam?
Answer: Bhutan and Bangladesh.
4. What is the Brahmaputra called in Tibet and in Arunachal Pradesh?
Answer: Yarlung Tsangpo in Tibet and Siang or Dihang in Arunachal Pradesh.
5. Which rivers join to form the Brahmaputra in Assam?
Answer: The Dihang (Siang) joins the Dibang and the Lohit in eastern Assam.
6. Name three north-bank tributaries of the Brahmaputra.
Answer: Subansiri, Jia Bhoroli and Manas (also Puthimari, Pagladiya and Sankosh).
7. Name three south-bank tributaries of the Brahmaputra.
Answer: Burhi Dihing, Kopili and Dhansiri (also Disang and Dikhow).
8. Which river drains southern Assam?
Answer: The Barak, which gives its name to the Barak Valley.
9. Which river island in the Brahmaputra is also a district of Assam?
Answer: Majuli.
10. Which bridge across the Brahmaputra is named Bhupen Hazarika Setu?
Answer: The Dhola-Sadiya bridge, over the Lohit river in eastern Assam.

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Sources to verify

Government of Assam — about Assam

Figures that change between years — district counts, budget numbers, scheme amounts — should always be confirmed on the official portal before your exam.

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