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Centre Mulls India's 2nd-Largest Dam on Brahmaputra in Arunachal Pradesh

The proposed reservoir would store around 10 billion cubic metres of water and will be built at around Rs 50,000 crore to counter Chinese plans to construct huge dams

Centre Mulls Indias 2nd-Largest Dam on Brahmaputra in Arunachal Pradesh

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  16 May 2022 2:18 PM GMT

NEW DELHI: The BJP led-central government is mulling to build India's second-largest dam on River Brahmaputra at Yingkiong in Arunachal Pradesh.

As per reports, the proposed reservoir would store around 10 billion cubic metres (BCM) of water and will be built at around Rs 50,000 crore to counter Chinese plans to construct huge dams on River Brahmaputra (Yarlung Tsangpo in China).

Notably, the river Brahmaputra flows for 918 km in India out of its total length of 2,880 km.

Though 75 per cent of the water that flows in River Brahmaputra comes from catchment areas in India, the major part of the water in the non-monsoon season is received from snowmelt in Tibet.

China's move to store or divert the river water in the Brahmaputra may challenge the water security of India's North-East region and Bangladesh.

Thus, besides hydropower generation, dam building at Yingkiong in Arunachal Pradesh is expected to bolster water security as water can be stored in the rainy season and released at times of need.

Also, the government estimates that dam construction in the upper reaches of Arunachal would mitigate the effects of floods and China's capability to induce it.

"We have planned a project for its (China's dam-building plans) mitigation in Yingkiong for constructing a dam in the upper reaches of Arunachal Pradesh. And probably that is going to be one of India's largest dams. We will hold water in that and will release it in the lean season when there is no rainfall to provide us (water) security," Jal Shakti minister Gajendra Singh Shekhawat told Mint.

"Brahmaputra river has a huge quantum of 500 BCM (billion cubic metres) of water flowing into it. Of this, more than 75 per cent comes from our catchment area. That's the reason why we are not affected by it a lot. But in the non-monsoon season, when the river gets water from snowmelt, we don't have water in our catchment area. So if they construct a dam and divert water in the non-monsoon seasons, then it will have an impact from Arunachal Pradesh to Bangladesh. Earlier they (China) had said they were not doing anything. Later they said that they are constructing run-of-the-river hydroelectric projects. And now there is evidence that perhaps they can also work on water transfer," Shekhawat said.


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