The project, estimated to cost around USD 137 billion, is located in the ecologically fragile Himalayan region along a tectonic plate boundary where earthquakes occur frequently.

China on Monday reiterated its plan to build the world's biggest dam over the Brahmaputra River in Tibet near the Indian border, saying the planned project has gone through rigorous scientific verification and will not have any negative impact on downstream countries -- India and Bangladesh.

Beijing has approved plans to dam a gorge in the Himalayas that is three times as deep as the Grand Canyon, despite concerns about the impact on Tibet and India.

India's foreign ministry said on Friday that New Delhi has conveyed its concerns to Beijing about China's plan to build a hydropower dam in Tibet on the Yarlung Zangbo river which flows into India. Ch

US national security advisor Jake Sullivan is on India’s visit and likely to discuss with Indian counterparts about the impact of Chinese dams, a senior US official said.Washington and its Western allies have long viewed India as a counter to China's rising influence in Asia and beyond.

India said on Friday (Jan 3) it had raised concerns with China about a planned mega hydropower dam construction upstream in Tibet, saying it will "monitor and take necessary measures to protect our interests".

China reiterates plan to build world's biggest dam on Brahmaputra River, ensuring no negative impact on downstream countries.

China has assured India that the construction of a mega dam on the Yarlung Tsangpo river in Tibet will not harm the lower riparian states. The project aims to develop clean energy and has been studied for decades to ensure environmental safety.

The Brahmaputra River, a lifeline to millions in India and Bangladesh, now finds itself at the centre of a major geopolitical storm. On December 25, China approved the construction of the world's largest hydropower project on this river—known as the Yarlung Tsangpo in Tibet.