Raniganj Coal Mine _hot_ Jun 2026

: In 1820, regular mining was established by Alexander & Co..

: Prince Dwarkanath Tagore acquired several collieries in 1835, leading to the formation of the Bengal Coal Company in 1843. raniganj coal mine

: Following independence, the sector was nationalized in two phases (1971–1973). Today, it is largely managed by Eastern Coalfields Limited (ECL) , a subsidiary of Coal India Limited (CIL) . Geological and Economic Importance : In 1820, regular mining was established by Alexander & Co