(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 / 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/ 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.

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 and overhauling of (a) ece make 11kv/400amps ocb (b) 3.3kv ece make ocb at c pit of c.m. sub-station of kumardihi b colliery under bankola 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-

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.

Repairing/replacement of (02 nos.) drive pulley drum repair in shell and shaft of 215 impact crusher in hms section at kathara washery