Complete rewinding and repairing of primary and secondary breaker of andrew yule make 315 kva 3.3kv-550v sl no sspay03 transwitch transformer at shyamsundarpur colliery

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

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.

Complete repairing of vcb switch (a) 6.6kv/3.3kv, 1250 amp make andrew yule, sl. no. 3124 supplying power to shovel feeder installed at dakra substn and (b) 6.6kv/3.3kv/110v, ct 120-60/5.5 amp. make electrokechnika at dakra substn under dakra project

Repairing and running maintenance of 03 nos. 11kv, vcb switch (a) 11kv, 630 a, andrew yule make, si no. 1628 of cpp feeder (b) 11kv,630a, andrew yule make si. no wnp of intake feeder (c) 11kv 630a, andrew yule make sl. no. 2543 of sawang feeder insta

Repairing and reconditioning of 02 nos. (a) repairing of 11kv, andrew yule make 630a sl. no. 5844, vcb switch (b) repairing of 6.6kv andrew yule make 1250 amps. sl. no. wnp, vcb switch at 2 no. sub station under kathara colliery

Complete repairing of 150 amps 6.6 kv andrew yule make flp vcb sl. no. a2d5 of khottadih colliery.

Complete rewinding and repairing of a transwitch unit 315kva, 3.3kv/440v make andrew and yule, sl. no. ts127 to be installed for lighting line 440v/220v power supply under purnadih ocp, nk area

Repairing/rewinding of 01 no. andrew yule make power transformer, 2000kva, 33kv/3.3kv, sl. no. 12018 at rws korea.

Partial repairing and rewinding of transformer 3 mva, 11kv/6.6kv, make andrew yule, sl. no. 522(p), vector group dyn11, cooling type onan installed at quarry no. 01 sub-station under purnadih ocp, nk area