Partial rep. and rewinding of transformer 3 mva, 11kv/6.6-3.3kv, make andrew yule, sl. no. 522(p), vector group dyn11, cooling type onan installed at q.no. 01 sub-stn and testing of different parameters from nabl accredited lab under purnadih ocp.

Partial repairing/rewinding of 7.5 mva, 33kv/6.6kv andrew yule make transformer sl no. 12260 of 33kv main substation of jhanjra project colliery.

Partial repairing/rewinding of 7.5 mva, 33kv/6.6kv andrew yule make transformer sl no. 12260 of 33kv main substation of jhanjra project colliery.

Repairing of 6.6kv, 400amp andrew yule make flp vcb and 400 amp, 6.6kv mine line make vcb of khottadih colliery, pandaveswar area

Repairing of 6.6kv, 1250a, vcb, make-andrew yule, sl. no. 1725 at 2 sub station of kathara colliery

Repairing and maintenance of vcb 6.6kv ht 60amp. sl. no 053 make andrew yule of patherdih colliery under asp colliery.

Repairing of 3.3kv / 6.6kv vcb field switch, 630 amp, make-andrew yule, sl. no. 0369 for float under kathara colliery.

For complete repairing and overhauling of controlling switch 6.6kv 400a,vcb andrew yule sl.no.2841 at 10 substation of mudidih colliery

Repairing of 6.6kv, 800amps vcb switch andrew yule make sl. no. 3859&#x0d for controlling of 2mva transformer 11kv/6.6kv socp 3 no, feeder substation&#x0d of muraidih, amp colliery.