Overhauling and installation of safety devices in two (2) nos 11kv, 400a, make bicco lowrie ocb switch with busbar a) sl no pb4 9322 b) pb4 9335 at site of gt gopalichak sub-station.

Overhauling and installation of safety devices in two (2) no 11kv, 400a, make bicco lowrie ocb switch with busbar a) sl no pba 9329 b) pb4 9328 at site of gt gopalichak sub-station.

Complete repairing of bicco lowrie make ocb switch 11kv with busbar at rocp.

Repairing / overhauling and installation of safety device in 11kv, 400a ocb switch with busbar, make bicco lowrie, sl. no. aael0802 at zero seam substation, kkc of gkkc under kusunda area.

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 11kv 400amp ocb switch with busbar make bicco-lowrie sl.no.pb4-12044 at kusunda colliery under ngk

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.

Complete repairing and installtion of new safety devices of ht ocb 11kv, 400a make gec sl no - gop/ht switch/a at site of gopalichak colliery.

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

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.