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

Complete repairing and rewinding of 93.3kw,120hp marathon make 1470rpm 550volt pump motor of nakrakonda kumardihi b colliery under bankola area

Rewinding of 15kva, 550v/220v lighting transformer, of view point area of east basuria colliery

Complete rewinding and repairing of primary and secondary breaker of andrew yule make 315 kva 3.3kv-550v sl no sspay03 transwitch transformer at shyamsundarpur colliery

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 complete repairing and overhauling of ocb, sd -15 make kilburn switch 550v,150a, asst. no. arn/72 sl.no.08595 4 pit loyabad (ii)and repairing of 120 hp,550v,star delta starter, a.t.s type, amba speed make,sl.no.a-223-97 controlling of submersible

Complete repairing /rewinding and overhauling of pullen make 120 hp 550 volt 2900 rpm submersible motor and 6 stage pump of dobari colliery.

1.drawing of 1 new 440 v overhead line (500 m) from no.2 pit substation to agent office, kumardhubi colliery, 2. new 550v overhead line (300 m) from no. 2 pit substation to no. 2 pit fan house at kumardhubi colliery, mugma area, ecl.3.a) drawing of n

Rewinding of 150hp auto transformer ats,550v used for starting of 120hp submersible pump under jogidih colliery

Complete rewinding of 500kva,11kv/550v transformer of jogidih colliery si.no 40018717 under govindpur area-iii