Fairmine Carbons Pvt. Ltd and Chowgule and Company Pvt. Ltd placed the winning bids for commercial mining of coal from Rajhara North (central and eastern) mine in Jharkhand and Sahapur (East) mine in Madhya Pradesh respectively on Thursday, according to a Union government official.

Thursday marked the fourth day of commercial coal mine auctions in the country that began on Monday after a decision by the cabinet committee on economic affairs in May to award coal and lignite blocks on a revenue-sharing basis.