India has responded to China's plan of constructing the world's largest dam on the Brahmaputra river in Tibet, saying that New Delhi has urged Beijing to ensure that activities in upstream don't harm the interests of downstream states.

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.

Sources said India was not informed by the Chinese side about the construction of the Brahmaputra dam project, which is the convention between the two countries, and learnt of it from media reports – the project is to cost an estimated $137 billion.

Xinhua quoted an official statement to report that the Chinese government had approved the construction of a hydropower project in the lower reaches of the Yarlung Zangbo river, the Tibetan name for t

China's plan to build a mega dam on the Brahmaputra could make the entire ecosystem that depends on the river fragile, Assam Chief Minister Himanta Biswa Sarma warned on Wednesday, adding that India has already communicated its concern to Beijing.

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.

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.

Concerns have been raised that the Chinese dam could negatively affect the ecological balance of Arunachal Pradesh and Assam, through which the Brahmaputra River flows.

India has expressed concerns over China’s plan to build a mega dam on the Brahmaputra river in Tibet, emphasizing the need for transparency and consultation with downstream states. The project, estimated at USD 137 billion,

MEA also said that India has expressed its concern to China over the hydropower project on the Brahmaputra in Tibet, urging it to ensure the interests of the downstream states are not affected.

The dam is to be built at a huge gorge in the Himalayan reaches where the Brahmaputra river makes a huge U-turn to flow into Arunachal Pradesh in India and then to Bangladesh. The total investment in the dam could exceed 1 trillion yuan (USD 137 billion),