Repaiirng/overhauling and installation of safety devices in 2(two) nos 11kv, 400a make bicco lowrie ocb switch with busbar nearng sl no a) pb4 9324, b) pb4 93389 at site of gt gopalichak colliery sub-station.

Complete repairing of 100 amp, 440 volt crompton parkinson make ocb switch with busbar sl. no-1614a of ghanoodih 01 no sub station under kuya ocp.

Repairing and installation of new safety devices in 6.6kv / 3.3 kv, 630amps, vcb, make-electroteknica, sl. no. 062 field switch of shovel section at kathara colliery.

Repairing of (a) 11kv, 600a, gec make ocb switch &#x0d sl.no.-2817 and (b) 6.6kv,400a gec make ocb &#x0d switch sl. no.-m-164 for controlling of 11kv/6.6kv &#x0d transformer at sadbhavna substation under &#x0d muraidih, amp colliery.

Repairing &#x0d and &#x0d overhauling 2 nos &#x0d switch gear make &#x0d southern gear having &#x0d sl no i) 076/869 and ii) &#x0d 0762/950 of sub-station &#x0d kb 10/12 pit colliery.

Repairing of (a)3.3 kv vcb switch 200 amp. indoor type make electrotechnika, sl. no. missing and (b) 11kv vcb switch 400a, make andrew yule, sl. no. missing installed at kdh old sub-station in respect of rohini project, nk area

Repairing and overhauling of 800 amps 440v, ocb with busbar make gec sl no kb10/12pit/eng/24-25/02 at site of kb 10/12 pit colliery.

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 &#x0d overhauling of 1 no. &#x0d 400amp., 11kv, ocb make &#x0d g.e.c of nagada sub-station &#x0d at bhatdee colliery, mahuda &#x0d group. sl.no. gec/nagda- 1

Complete repairing of 400 amp 11kv bieco lowrie make sl. no pb4-12065 ocb switch of main controlling 1 mva 11kv/3.3kv power transformer at 14 no abdkc