Reparing Of Underground Haulage Complete Machining Of Brake Path, All Hole Drum Check Both Side Oval Repairing And Inner Cover Housing All Hole Oval Clutch Portion Oval Hole Repairing 60 Nos. Hole 2.5 Inch, Reduce 7/8 Inch Size And Shaft Bush Portion Repairing And Block Portion Gm Bush Rep And Drum Bush Change At Bejdih Colliery Under Sodepur Area.