Public sector undertaking Coal India has deployed a high-capacity pump with a 500 GPM (gallons per minute) capacity to dewater the mine at Assam’s Dima Hasao district where efforts are on to search the trapped labourers.

At least nine workers are trapped inside a flooded coal mine in India’s northeastern Assam state, officials said Tuesday, as authorities summoned the army to help in the rescue operation. The miners became trapped on Monday morning in the Umrangso area in Dima Hasao district,

Three miners were feared dead inside a flooded coal mine in a remote district of India's northeastern Assam state, authorities said on Tuesday, and the men were part of a total of nine still trapped as rescue teams worked to reach them.