Official Answer Key & Detailed Solution
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Correct Answer: Option (B) — 2 and 3 only
Concept & Option Breakdown
Standard Reference Verified- Statement 1 is incorrect: The Barak River originates in the Manipur Hills, flows through Manipur, Nagaland, Mizoram, and Assam (Surma/Barak Valley), and enters Bangladesh without passing through Arunachal Pradesh.
- Statement 2 is correct: The Lohit River originates in eastern Tibet (Zayü County) and enters India through the Mishmi Hills in Arunachal Pradesh before joining the Brahmaputra.
- Statement 3 is correct: The Subansiri River originates in the Tibetan Himalayas and enters India through Arunachal Pradesh (Miri Hills) before joining the Brahmaputra in Assam.
Barak river system drains the southern part of Northeast India (Manipur–Mizoram–Assam–Bangladesh) and does not touch the northern Himalayan state of Arunachal Pradesh.
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