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

Repairing of ocb switch of make kilburn, 200a, 550/440v, type sd-15, sl. no. 8566 to be installed at the secondary side of the trasnformer of 5 pit substation of nakc under govindpur area.

(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.

Complete repairing of 200amp, 440v,kilburn make sd-15 ocb switch ,si.no 07931 at govindpur under abgc colliery

For repairing of lt switch (ocb) 440v, 400 amp of 7/8 sub-station, tetulmari colliery under sijua area. (b) for repairing of sd-15, 200 amp, 550v switch for tetulamari colliery under sijua area

Repairing of ocb switch of make kilburn, 200a 550v/440v, type - sd-15, sl. no.9082 to be installed at the secondary side of the transformer of 100kva installed at unit store of nakc under ga.

Repairing of 200 amp, 550v, kilburn make, sd-15 switch, local serial no.- 75, page no.- 10, sl. no.- na controlling switch of unit store of nakc under govindpur area.

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

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

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