Complete repairing of 400 amps 11kv electroteknica make sl. no- 8363 vcb switch with busbar for primary controlling of 2mva, 11kv/3.3kv power transformer at main substation rocp/sj.

Complete repairing/ rewinding of 315 kva andrew yule make 3.3kv/550v tsu and 3.3 kv acb, 50 hp reverse forward er of msam colliery

Repairing of flp acb, gate end box of make mine line pvt ltd, 550v, 65 hp sl no 1643 of 1 seam sdl and repairing of flp acb switch of make mine line pvt ltd 200a, 550v sl no 5186 controlling switch of gate end box at 1 seam of new akashkinaree colli

(a)complete repairing of 3.3kv, 400amps vcb switch andrew yule make type nflp, sl.no.3837 and (b)repairing of bucholz relay wti and oti protective device 11kv/3.3kv transformer for controlling of f.n.-2 upper side s/s of mocp f/b of amp colliery.

Repairing of 200a mine line make switch type flp &#x0d acb 550v, sl.no.5200 at 22 level 8 deep controlling &#x0d of benidih u/g ampc under barora area.

(a). repairing of 3mva transformer 11kv/3.3kv make-andrew yule, sl.no.-10619 charged at main sub-station of gvp project and (b). replacement of bushing insulator with stud, nut and cork sheet of 500kva, 3.3kv/550v transformer, make-marson, sl.no.-129

Repairing and reconditioning of 1 nos 11kv vcb, andrew yule make and remote-control system at main substation of tsocp under hazaribagh area

For repairing of 03 nos. 11 kv ocbs 400 amps for controlling of 01 nos. 3 mva and 02 mva power transformer of main sub-station under bhurkunda colliery.

1. complete repairing of 200-amps, 550v, abc make acb switch at 10l/13d main for sdl m/c no.-1137 of mithani colliery under sodepur area. 2.repairing of 400-amps, 550v, oil circuit breaker (switch) r/b make of mit

Repairing of andrew yule and co. make 11 kv, vcb, 630 amps, ctr-100-200/5 amps for capacitor bank of controlling switch gear at 11k/33kv sub-station, nlocp/dbocp.