Repairing and maintenance of l.t switches 550/440v installed at 2 pit sendra substn knc(ii)overhauling and repairing of 400amp.550v,l.t switch gec make sl.no.30/1490 installed as controlling of 550v o/h line at 4 pit substn under kankanee

Repairing / maintenance of 11kv ocb switch 400 a make biecco lowrie power feeding to 750 kva power transformer at bastacolla colliery.

Complete repairing of 400 amps 11kv electroteknica make sl. no- 8363 vcb switch with busbar for primary controlling of 2mva, 11kv/3.3kv power transformer at main substation rocp/sj.

(1)repairing and overhauling of mechanical as well electrical assly of 1250 amp.33kv vcb make-biecco lawrie sl.no.pvc-b36-0021(tr-2 controlling breaker) at 33kv r.s.sub-station.(2) new installation of 1000 amps v.c.b 12 no.with

(1) complete repairing of 200 amps kilburn make sd-15 switch 550 volt sl.no.1092 for 40 hp pump at gtc unit asgkcc.(2) repairing of ocb switch 6.6 kv,400amp,sl.no.5705 make gec at salanpur colliery,(3) (a) oil leakage repairin

(1) complete repairing/over-hauling of 6.6kv/400 amp,vcb switch with busbar,sl.no.455357/01 gec make at kanta-pahri s/stn (2) complete repairing/over-hauling of gec make ocb switch,6.6kv/400 amp sl.no.5717 at kanta pahri sub-station under akwmc

(1) complete repairing of 400 amps gec make switch ocb 550 volt,sl.no.30/1489 at 12 no.national angarpathra aarc.akwmc.(2) repairing of 400 amps vcb switch 6.6kv,make-gec,sl.no.455501/1 at kantapahri sub-station akwmc.

Repairing of 02 no gec make 315 kva 3.3 kv to 570 volt an-an type of cooling tran switch unit installed at different panel sub-station for 315 kv transformer sr. no. missing of bhadra 7 8 mine

Repairing / rewinding of 300 kva, 11 kv/440v power transformer oil cooled type, make abhay transformer and switch gear, sl. no. 1866 of intake well at bhojudih coal washery.

Repairing and reconditioning of a. 11 kv 800amp, prabhu make sl no 0526 vcb switch of feeder 1 and b 3.3 kv, 400amp ocb crompton greaves make sl nokugp.ocb.ccl001 used for primary control of lighting transformer 630 kva 3.3kv 440v installed at main s