Keshkal G.N.India Bauxite Mines And Minerals Limited · U C M Coal Company Limited · Precious Minerals And Smelting Limited · Bastar Railway Private Limited · Kerwa Coal Limited · Chhattisgarh Corundum Mines Limited · Chhattisgarh Mineral Development Corporation Limited · Nmdc Cmdc Limited · Chhattisgarh Copper Limited · Chhattisgarh Sondiha Coal Company Limited.