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 of 200amp,440v,kilburn make sd-15 ocb switch s.no.8591 at adarsh nagar under abgc colliery

(a) repairing of ocb starter, sd 15, make-kilburn, 200a, 440v and (b) ocb starter 200a kilburn make sd-15 starter under amp colliery, barora area.

Repairing of ocb switch of make kilburn,180a,550v,type sd-15,si.no.8055 of haulage room of 2 seam surface of new akashkinaree colliery under govindpur area

Complete repairing of kilburn make sd 15 type ocb switch 550volts 200 amps seam of kuya colliery.

Repairing of 200 amp, sd-25 switch ocb,440v, sl no.-8566, kilburn make, installed at nakc main sub-station under govindpur area

Complete rewinding/repairing of 300kva 11kv/440v transformer of abg colliery under govindpur area si.no. abg/trans/23

Complete repairing and overhauling of 200 hp, star delta starter ocb type 440v, make kilburn at gopalichak colliery, pb area.

Complete repairing of 75hp slipring motor (winder) resistance kilburn make local si.no-kh/wind/r/03 of kharkharee colliery under govindpur area

Repairing of ocb er sd 15 make- kilburn 200a 550v under amp colliery, barora area