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Will Arunachal Pradesh’s Upper Siang Dam Counter China’s Upstream Mega‑Dam?
✍️ The Hindu
🗓 08 Nov 2026, 01:31 AM
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India’s Upper Siang dam in Arunachal Pradesh is being examined as a possible safeguard against a large Chinese dam being built upstream on the Yarlung Tsangpo.
The Upper Siang dam, located on the Siang River in Arunachal Pradesh, is a major hydro‑electric project intended to generate power and regulate river flow in the region.
Upstream, China is advancing a massive dam on the Yarlung Tsangpo, the river that becomes the Brahmaputra once it enters India. The scale of the Chinese structure has raised concerns in New Delhi about potential reductions in water flow and downstream impacts during the monsoon season.
Indian officials and water‑resource experts are now assessing whether the Upper Siang dam can serve as a strategic counter‑measure, helping to maintain water levels and mitigate any adverse effects from the Chinese project.
The discussion forms part of a broader dialogue on trans‑border river management, where both nations are urged to pursue transparent data sharing and diplomatic channels to address shared water‑security challenges.
Upstream, China is advancing a massive dam on the Yarlung Tsangpo, the river that becomes the Brahmaputra once it enters India. The scale of the Chinese structure has raised concerns in New Delhi about potential reductions in water flow and downstream impacts during the monsoon season.
Indian officials and water‑resource experts are now assessing whether the Upper Siang dam can serve as a strategic counter‑measure, helping to maintain water levels and mitigate any adverse effects from the Chinese project.
The discussion forms part of a broader dialogue on trans‑border river management, where both nations are urged to pursue transparent data sharing and diplomatic channels to address shared water‑security challenges.