An explosion in an underground coal mine of Central Coalfields Limited (CCL) in Jharkhand's Ramgarh district has injured four miners, a company official said today.
The four men were drilling inside the mine while on duty last night when the drill machine came in contact with an explosive stored in the mine in Narka-Sayal area which led to the blast, CCL project officer P Nayar said.
All the four were identified. They were rushed to CCLs Bhurkunda hospital, which referred them to the companys main hospital in Gandhi Nagar, Ranchi, the sources said.
Officials of Directorate General of Mine Safety along with senior CCL officials visited the mine to review its safety measures, Nayar added.