The place where China has started construction of a dam on River Brahmaputra in Nov, 2010 is

The correct answer is B) Zangmou. China began building the Zangmu hydropower station, about 510 MW, on the Yarlung Tsangpo, which becomes the Brahmaputra after entering India, in November 2010. The site lies in Tibet, close to the Nepal border.

• Chingdu is wrong. Chengdu is a Sichuan provincial capital far from the Brahmaputra basin, and it has no link to this dam.
• Zhuang is wrong. It is the name of a major ethnic group in Guangxi, not a Brahmaputra dam site.
• Gyangze is wrong. It is a Tibetan county known for the Pelkor Chode monastery, and it sits on the Nyang Chu, a tributary, not the main river where Zangmu was built.

The core concept is upstream riparian control. China's dams in Tibet raise questions about water flow, flood data sharing and seasonal flows for Assam and Bangladesh, which makes this a standard Mains topic under India's international relations and water-security issues.

Current update: a much larger project on the lower reaches of the Yarlung Tsangpo near Medog was approved in late 2024, so Zangmu is no longer the only major concern.

Trap: aspirants pick Gyangze because it is a well-known Tibetan place name, but the question asks for the dam site, which is Zangmou.