Rewinding And Repairing Of 50 Kva, 550V/440V Lighting Transformer , 315 Kva, 3.3Kv/550V Tsu At No 9 Pit Of Madhaipur Colliery And Rewinding And Repairing Of 150 Hp, 1440 Rpm, 550V Induction Motor At Madhaipur Colliery