Eastern Coalfields Raniganj coal mines SourceWatch
Background on Mine. The Raniganj coalfield was first mined in 1774, and is the oldest coal mine in India. In 1973, the various privatelyowned coal mines at Raniganj were nationalized, and put under the management of Eastern Coalfields Limited (a subsidiary of Coal India) in operates a total of 98 mines on the Raniganj coalfield, of which 77 are underground and 21 opencast; the mines ...