coal mines
Assam coal mine tragedy: Rescue ops enter 4th day to locate remaining trapped miners
Body of one of 9 trapped workers recovered from coal mine in Assam
Dima Hasao coal mine in Assam 'illegal', one held, says CM as workers still trapped
Navy divers to be engaged in rescue of 9 workers trapped in Assam coal mine
Water enters coal mine in Assam's Dima Hasao, several feared trapped
Centre eyeing Jharkhand’s mines and minerals: JMM MLA Kalpana Soren