(a) complete repairing/rewinding of one no.500 kva 3.3kv/550 volt power transformer sl.no.lph/tr/12 at 1 pit lodna colliery and (b) complete repairing/rewinding of one no.400 kva 3.3kv/440 volt lighting transformer sl.no.lph/tr/13 at 1 pit lodna col

Rep./ overhauling of andrew yule make field switch 400amp., 3.3&#x0d kv and rep. of magnetic amplifier block assembly (02 nos.) of ekg shovel sl. no. hmb 578 at asbn ocp, sijua area

Repairing 400 amp 11kv ocb with busbar crompton parkinson make sl. no 16484 at ebc sub station of aebsc.

Complete repairing of 400 amp 11kv ocb with busbar crompton parkinson make sl. no 15484 at bokkapahari sub station of under rocp/sj.

Repairing of 400 amp. ocb switch make crompton parkinson 3300 volt ctr 300 5a controlling to 3300 volt busbar charging of bhowra power house

Repairing of 100 kva oil cooled transformer, volts-3.3kv/440 v, make- crompton parkinson, sl. no. 14002 at regional sub station under kathara colliery

Complete repairing of gec make 800 amp. 550 volts ocb switch with busbar 0 seam of kuya colliery.

Complete repairing and overhauling of 11kv 400 amps ocb with busbar switch crompton greaves make sl no 23599g at site in chandro sub-station gopalichak colliery.

Repairing of 400amp gec make 440volt ocb sl. no.- 30/2110 with busbar controlling of ghanoodih balugadda.

(a) partial repairing of 01(one) no. 400 amps 440 volt a.b.c. make switch (b) repairing of 01(one) no. 200 amps 440 volt kilburn make ocb c) repairing of 01(one) no. 400 amps 440 volt g.e.c ocb switch of kujama colliery