Repairing/ Strengthening Of Conveyor Structure, Deck Plate Along With Replacement Of Roller Brackets Of Unit-704 (Clean Coal/Middling) Loading Conveyor At Moonidih Coal Washery./Bccl/Po/Mnd/Enm/E -Tender/2022-23/E 196/2022_Bccl_243956_1 (EXPIRED)