(a) repairing and reconditioning of ocb, 400amps, 6.6kv, make-russian installed at 6.6kv control sub-station feeding power to r.c.b distributor room and (b) repairing and reconditioning of ocb, 400amps, 6.6kv, make-russian installed at 6.6kv control

A)replacement and reconditioning of 6.6k v v.c panel, 400amp, make-a/y and co. ltd for controlling of primary crusher motor (320k w) 01 no. and (b)repairing/reconditioning of ocb switch, 400amp, 6.6kv, make-russian installed at 6.6k v control sub-sta

Complete repairing/ overhauling of one(01)550 volt ocb 400amps metro politan make ocb switch sl. no.d-834890 installed at lodna power house

Repairing and reconditioning of 11kv, 400a, andrewyule make ocb installed at 9 pit substaion of bastacolla colliery.

A)complete repairing and overhauling of one(01) no.400amps 440volt id.no. sw/ocb/ 440v/43 (b) partial repairing of one(01) no.400amps 440volt id.no.bccl/ nt/sw/440v/44(c)complete repairing of 3.3 kv id.no. bccl/ nt/sw/ocb/3.3 kv/63 installed at

Repairing/reconditioning of 3.3kv, 400a, reyroll burn make ocb. sl.no. 82/104, installed at dumerbera sub-station for controlling 3.3kv power supply 10 16b quarry of ara colllery. repairing/reconditioning of 11 kv, 400 amp, ocb of ara colliery.

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

Complete repairing / reconditioning of 3.3kv ocb switch, 400amp, make-rerolled burn, s/n-wnp installed at main substation for controlling of plant 3.3kv grade capacitor bank and 11kv ocb switch, 400amp, make-gec, s/n-sgw-1 both installed at main subs

Repairng of 02 nos. of 440v, 400amps, easun make ocb, secondary main of 315kva, 11kv/440v, lighting transfomer installed at package plant substatin of chinakuri mine-i under sodepur area

Complete repairing / reconditioning of 3.3 kv ocb switch, 400 amp, make-bharat bijlee, s/n-sgw-2 installed at ht room for proper power supply to oversize restriction plant and ii) 3.3 kv ocb switch make-kirloskar, s/n-401001-34 installed at main sub-