Maintenance and reconditioning of 11kv,400a reyrolle burn make ocb si no. 827236 of ara colliery under kuju area.

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 and reconditioning of 01 no. 11 kv vcb, 400 amp. make andrew yule sl.no. 1551 installed at main substation of topa project under kuju 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

Repairing of 11kv vcb, 400a of andrew yule make for controlling of 2.5mva transformer, 11kv/6.6kv at shatabdi &#x0d substation under muraidih, amp colliery, barora area.

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

Repairing and reconditioning of one no. 11kv 400amp. vcb and one no. 3.3kv 400amp ocb switch of kuju colliery under kuju area

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 of 11kv, 400a, vcb of andrew yule make, sl.no.3848 for controlling of transformer, 11kv/6.6kv at muraidih sub-station under muraidih, amp colliery, barora area.

Part repairing of 11kv,400a vcb make andrew yule si.no.3176 at bilbera substation under govindpur area.