Mining giants the top ten richest mining companies
Mar 26, 2014· The stateowned coal mining enterprise produced of coal in the fiscal year ending in March 2013. Coal production during April 2013 and January 2014 stood at 366mt. SECL, followed by MCL, is the biggest coal producing subsidiary of CIL. The company was estimated to hold billion tonnes of extractable coal reserves as of April 2010.