Complete repairing / reconditioning of 3.3kv ocb switch, 400amp, make-kirloskar installed at ht room for primary control of two ocb switch of plant and 3.3kv ocb switch, 400amp, make-bicollary, s/n-sgw-1(wnp) for power supply to oversize transformer

Repairing of 3.3kv 400amp ocb switch make johnsion phillips si no. wnp at quarry electrical sub station of jarangdih colliery.

Repairing/reconditioning of 01 nos 11kv,400amp ,rey roll burn make ocb s.no. 82/153 and 3.3kv ,400amp southern switch gear ocb s.no. 0766/959 of kuju colliery under kuju area.

Repairing of 3.3kv 400amp ocb switch controlling to 2000 kva power transformer as secondary switch installed at view point 11kv sub station.

Repairing / reconditioning of 3.3kv vcb switch, 400amp, make maditron, type um/vcb/ccl, s/n-7750 installed at type iii substation and 3.3kv ocb switch, gec make, type hop 6, s/n 4086 installed at rest sub station of sawang washery.

Repairing and reconditioning of 2 nos control panel a. 11kv, 400amp reyroll burn make ocb local sl no kugp ocb 11kv 002 and3.3kv 400amp ece make ocb local sl no kugp ocb 3.3kv 003 ocb of kugp under hazaribag area

For repairing of 6.6kv, 400amps cooke and ferguison make ocb switch sl.no.9681 at sendra bansjora colliery.

Repairing and reconditioning of one no. 11kv 400amp. vcb and one no. 3.3kv 400amp ocb switch of kuju colliery under kuju area

Repairing of 3.3kv ocb switch, sl. no. d16930, metropolitan vickers make for controlling of 100kva lighting transformer of hathidari substation mine b under bhurkunda colliery.

(a) repairing and reconditioning of protective device of 2mva power transformer, volts-11kv/3.3kv, si. no wnp, ktc/enm/9.0/tr/04 installed at 9.0 of kathara colliery, (b) repairing of 3.3kv, 400a ocb switch make-beccolary, sl. no. wnp ktc/enm/9.0/ocb