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Economic coal reserves
Coal Mine
Economic Coal Reserves Need to be Identified Faster
New areas for additional coal reserves, economical for mining should be identified at a faster pace, said coal secretary Anil Kr Jain.
Coal Mine
Coal India's Exploration Arm：Economic Coal Reserves Should Be Identified Faster
New areas for additional coal reserves, economical for mining should be identified at a faster pace, said coal secretary Anil Kr Jain.
