Repairing of 150hp, 550v star delta starter 02 nos and 200amp 550v acb switch of 7 pit madhusudanpur colliery

Flameproof transwitch unit (flp tsu) 315kva, 3.3kv/550v (or 525v),flameproof switch board panel comprising of seven flameproof 3.3kv, 400a vcb,flameproof switch board panel comprising of four flameproof 3.3kv, 400a vcb,flameproof vacuum circuit breaker 3.3kv, 400a,flameproof air circuit breaker 400a, 550v,flameproof air circuit breaker 200a, 550v,flameproof air circuit breaker 100a, 550v

Complete rewinding of 10 h.p, 550v, 960 rpm, 3 phase crompton parkinson make motor at filter plant khas kusunda of gkk colliery under kusunda area

For repairing of incomer 400a,6.6kv, ocb switch sl.no. bsp/switch/06 make ferguson at ekra substation basdeopur colliery under sijua area

Hand drill machine 600w 230v 1 point 5 13mm 2800rpm,tester tong 0 to 1000a 660v,3.3kv 400amps fwd off rev isolator part no htsv0003,master trip relay 110v dc cspc86 part no 1907739,puller bearing hyd 10ton,contactor main 550v 300 by 400a,tester hv detector 0 to 11kv for flp switch

Repairing of 400a ,550v mine line make flp acb tugger controlling switch in jogidih colliery.

Complete rewinding of 50kva, 550v/440v transformer sl. no. ngkc/tr/440/50/01 transformer at alkusa colliery under ngkc.

Repairing of 550v, 200a, acb, make mine line, type flp, si.no. 5032 at alkusha colliery under ngk colliery of kusunda area