China plans to build the dam at the “Great Bend,” where the river makes a dramatic U-turn before entering India’s Arunachal Pradesh. The location, marked by tectonic instability, amplifies concerns about potential environmental disasters.

The reaction from Rajnath Singh came days after China announced its plan to construct the world's largest dam on the Brahmaputra, and India said it will continue to monitor and take necessary measures to protect its interests.

The Siang Upper Multipurpose Project will generate electricity and regulate water flow. But locals are angry about government secrecy over the project.

Defence Minister Rajnath Singh said that the Indian government is “on high” alert following China’s announcement to construct the world’s largest dam on the Brahmaputra River in Tibet.

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.

The project has stoked concerns about displacement and environmental impact downstream in India and Bangladesh.

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

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