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

Maintenance and reconditioning of 2 nos. vcb (11kv and 6.6kv, pce make), 2 nos. ocb switch (11kv, 800 amp, gec make), sf6 abb make breaker (33kv, 1250 amp), maintenance of ct, and repairing of 11kv capacitor bank control panel at central substation

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

Repairing of 02 nos. of 6.6kv/1250 amp vcb, andrew yule make, sl. no. 3412 and 3413 installed at 33/6.6 kv, 15 mva, new substation and 02 nos. of 3.3kv, 630a vcb, make andrew yule, sl. no. 1859 and 4992 installed at 22.5 mva, 33kv/11kv-3.3kv old ss

Repairing of two vcbs, (1) 6.6kv, 1250a, sl. no. 6281, make meditron (2) 3.3kv, 400a, sl. no. 067, make andrew yule both outdoor type at q.no. 1 substn and at q.no. 02 substn respectively under purnadih ocp, nk area.

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

Complete repairing/rewinding of one no. 01 mva, 11kv/3.3kv, make andrew yule transformer, local sl. no. dbb/02 installed at dakra sub-station under dakra project, nk area

Repairing of 6.6kv/3.3kv/ vcb field switch, make andrew yule, 630 amps, sl. no. 0317 for marion shovel exc-1844 of kathara colliery.

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