Repairing and overhauling of 11kv, 400a crompton greaves make ocb switch with busbar sl no 15462g of in chandro substation under gopalichak colliery at site.

Complete repairing and overhauling of 800a, 550/440v ocb with busbar switch ece make sl no - 6597 at site in chandro sub-station gopalichak colliery.

Complete repairing of biecco lowrie make 400 amps ocb switch 11kv with busbar at chandmari colliery.

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

Complete repairing/overhauling of 11kv, 400 amps ocb switch make gec, colliery id no kc/sw/12 and sl no 5670 at site of kustore colliery.

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 3.3kv, 400-amps, crompton greaves make ocb type-alai/xl, s.no.32087g of poidih sub-station, 11kv, 400-amps, crompton greaves make ocb type-alai/xl, s.no.23821g of poidih sub-station and 400-amps , 550-440v, gec make type -k3, s.no.sdp/pn

Complete repairing and overhauling of 400 amp, 440v, ocb with busbar make gec sl no 30/0039 for lighting line (passi patti)) at site of gopalichak colliery.

Complete repairing 400 amp 11kv/ocb with busbar bicco lowery make of victory sub station bastacolla colliery

Complete repairing and overhauling of 400 amps, 6.6kv, abc make acb switch busbar sl no 340 at site of pb project colliery.