Repairing of 02 no gec make 315 kva 3.3 kv to 570 volt an-an type of cooling tran switch unit installed at different panel sub-station for 315 kv transformer sr. no. missing of bhadra 7 8 mine

Complete repairing and rewinding and making new shaft of 400 kw, 3.3 kv, 1480 rpm marathon electric make 3 phase squirrel cage type induction ht pump-motor of patmohana colliery under sodepur area. (m/c no.- 3ff331269/4)

Servicing/repairs to 525 kw,6.6 kv ht vertical slip ring motor (unit-vi) at lift irrigation scheme rafiabad

Repairing/rewinding of 04 nos. 200 kw ,3.3 kv and 01 no. 225kw, 3.3kv ht induction motor of bijari ,jampali and chhal ocm and rotor repair of 01 no. 200 kw, 3.3 kv induction motor of chhal ocm , secl raigarh area

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/overhauling of reyroll make ocb 400amp.440v sl.no.441 at 3/16substn lbc(ii)repairing of ocb 400amp/440v make gec sl.no.30/510 at bsp(iii)and complete repairing/overhauling of lt switch make ece,800a at loyabad colliery under sijua area

Complete rewinding n repairing of 125 kw, 3.3 kv, sl no- f33048/2, alstom make, ht induction motor at tapin north ocp under hazaribagh area.

Servicing/repairs to 750 kw,6.6 kv ht old model vertical slip ring motor (unit-iii) at lift irrigation scheme koil stage 2nd

Complete repairing of k.e. make 90 hp, 3 phase, 550 volt slip ring motor at 15 no. direct haulage at pit no. 2 and prabhu make 150 hp, 550 v, 3 phase star-delta ers lying at fan house at pit no. b of pandaveswar colliery under pandaveswar area

Repairing and reconditioning of a. 11 kv 800amp, prabhu make sl no 0526 vcb switch of feeder 1 and b 3.3 kv, 400amp ocb crompton greaves make sl nokugp.ocb.ccl001 used for primary control of lighting transformer 630 kva 3.3kv 440v installed at main s