On May 13, Central Coalfields Limited (CCL), a subsidiary of Coal India Limited, announced on May 13 that its coal output for April 2021 reached 4.84 million tons, up significantly by 112% from 2.28 million tons in April 2020.

In April, the company's coal sales were 6.56 million tons, a sharp increase of 122% from last April's 2.96 million tons.