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

Estimated at a cost of approximately USD 137 billion, the dam is to be built in the ecologically fragile Himalayan region.

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.

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

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 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 has assured India and Bangladesh that its proposed dam on the Brahmaputra River will have no negative impacts on downstream countries. India has already expressed concerns and sought transparency over the project.

China has approved the construction of what it says will be the world's largest hydropower dam. BBC News says the announcement has stoked concerns about displacement of communities in Tibet, as well as the potential environmental impacts downstream in India and Bangladesh.

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.