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

(a)repairing/overhauling of one(01) 800amps 440volt ece make ocb switch sl. no. 6583 local id no.kj/5 (b) repairing/overhauling of 01(one) 400 amps 440volt ece make ocb switch sl. no.6530 local id no.kj/12.( c ) repairing of 01(one) no. 200 amp

Complete repairing of gec make, 400amps,440v, sl.no.314711/54,ocb switch at kalyanchak sub-station of dahibari colliery.

Complete repairing and overhauling of a) 200 amps 550 volt kilburn make ocb switch sl. no.14059 id no bag/sw/ocb/550 volt/10 for power controlling of radha chakki worker colony lighting line b) 200 amps 550 volt kilburn make ocb switch sl. no.1463

Complete repairing and overhauling of 1 no. 250 amps 440volt kilburn make ocb switch sl. no.573 id no nt/st/ocb /440 v/31 for power controlling of officer colony lighting line switch at amal. nt-st-jg colliery under lodna area.

Repairing of 1 no.(one)no.400 amps 440volt g.e.c. make ocb switch with busbar local id. no. kj/16 at 3-pit mohari bandh sub-station of kujama colliery under lodna area.

Complete repairing / overhauling of 400 amp 440volt sc no 314711/62make gec ocb switch gear of bccl lodona patherdih under asp colliery

Complete repairing and overhauling/safety protection of (a) 400amps/550volt gec make ocb switch local id. bar/ocb/ 28(b) 400amps 550volt gec make ocb switch local id. bar/ocb/ 03 at bararee colliery of amal. joyrampur colliery under lodna area.

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

Repairing/overhauling of 2 no. of lt switch circuit breakers(i)lt switch ocb gec sl.no30/1491 400amps 440v/550v(ii)ocb gec sl.no.30/1527 400amps 440v/550v asbnc.(2) rep.of two nos. acb switch 400amp 440v sl.no.343 make kilburn (ii)ocb switch 200a