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.

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

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

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

Repairing / overhauling and installation of safety deivce in 11 kv,400a ocb switch busbar,make -gec,s.no.5091 at khas kusunda substation of gkkc under kusunda area