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

Maintenance and reconditioning of 2 nos. vcb (11kv and 6.6kv, pce make), 2 nos. ocb switch (11kv, 800 amp, gec make), sf6 abb make breaker (33kv, 1250 amp), maintenance of ct, and repairing of 11kv capacitor bank control panel at central substation

Repairing and overhauling of 800a, 440v ocb switch, gec make sl. no. 40/0135 at bhurungia substation under lohapatee colliery

Repairing and overhauling of 550v, 120hp, amba make a.t.s type sl.no. a0314 13 star delta starter control panel of submersible pump at bhurungia under lohapatee colliery

Complete repairing and maint. of 800amp. 550v, make-gec , ocb sl.no 34/0865 of bh(s) collliery

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

Complete repairing of 400a, 550v gec make ocb with busbar sl.no.314711 for feeder breaker of phularitand under &#x0d amp colliery under barora area

Complete repairing of 800a, 550v, gec make ocb switch of adi colliery under kusunde area

Repairing of (a) 11kv, 600a, gec make ocb switch &#x0d sl.no.-2817 and (b) 6.6kv,400a gec make ocb &#x0d switch sl. no.-m-164 for controlling of 11kv/6.6kv &#x0d transformer at sadbhavna substation under &#x0d muraidih, amp colliery.