The project on a river that runs through Tibet and India downstream could dwarf the Three Gorges Dam when completed.

China has started the construction of the world's biggest hydropower dam in Tibet, a project estimated to cost 1.2 trillion Yuan.The mega-dam on the Yarlung Zangbo River , located in the

The dam will be located in the lower reaches of the Yarlung Zangbo. India and Bangladesh have already raised concerns about its possible impact on the millions of people who live downstream.

Assam Chief Minister Himanta Biswa Sarma expressed some reassurance about China's construction of the world's largest dam on the Brahmaputra, emphasizing the river's diverse water sources. While the dam raises concerns for India and Bangladesh,

Former Indian Foreign Secretary Kanwal Sibal criticised Beijing for ignoring the rights of downstream countries like India and Bangladesh, even as it backs Pakistan’s position on the Indus Waters Treaty.