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

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

For repairing of 400 amps 11kv grade at nichitpur t/ship make crompton greaves o.c.b 11kv sl.no- 02. npts under sijua area.

Repairing of 11kv 400a crompton greaves ocb sl. 27902g at bottom pit 11kv substation at industry colliery, adic

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.

Repairing of 11kv 400amp ocb switch make crompton greaves si no. not available of jarangdih colliery.

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

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

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