In Newsdam
Subansiri Lower Dam
Assam-Arunachal Pradesh border, India
Why in news
Apr 2026
India's largest hydel project (2,000 MW) with the Northeast's tallest concrete gravity dam saw buyers balk at its power costs.
Key facts
- India's largest hydel project (2,000 MW) with the Northeast's tallest concrete gravity dam.
- Buyers balked at its power costs.
UPSC relevance
Prelims
Prelims may ask which river it is on and the state it is in.
Mains
Mains (GS-3): water resource management and hydroelectric power.
Frequently asked questions
Why is Subansiri Lower Dam in the news?
Apr 2026: India's largest hydel project (2,000 MW) with the Northeast's tallest concrete gravity dam saw buyers balk at its power costs.
Why is Subansiri Lower Dam important for UPSC?
Prelims may ask which river it is on and the state it is in. Mains (GS-3): water resource management and hydroelectric power.
Last updated: 2026-10-09