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 defended the planned project over the Brahmaputra River and claimed Beijing has gone through rigorous scientific verification and will not have any negative impact on downstream countries -- India and Bangladesh.

What is the mega Yarlung Tsangpo project planned by China? What does Beijing hope to accomplish by building the world’s largest hydropower dam, and how could India be impacted? Experts weigh in.

China has reaffirmed its plans to construct the world's largest dam on the Brahmaputra River in Tibet, near the Indian border. Despite concerns from India and Bangladesh, China insists the dam will not harm downstream countries.

Chinese officials say that hydropower projects in Tibet will not have a major impact on the environment or on downstream water supplies.

China has recently approved the construction of the world's largest Hydropower dam on the Brahmaputra River, also known as the Yarlung Zangbo River in

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 announced that it is building the world's largest dam in Tibet - even larger than the Three Gorges Dam, which according to NASA, has slowed the Earth's rotation by 0.06 seconds. The new dam will be built on the Brahmaputra river.

India expressed concern over China's mega dam on the Brahmaputra and new counties in Ladakh, urging transparency and consultations with downstream nations.

India has urged the Chinese side to ensure that the downstream states of the Brahmaputra river are not harmed by activities in upstream areas, the Ministry of External Affairs said on Friday.