Repairing and reconditioning of 1 no. 11kv meditron make vcb and 01 no. 3.3kv mineline make vcb installed at main substation and mines of topa ocp under kuju area.

Repairing and overhauling of 11kv, 400a crompton greaves make ocb switch with busbar sl no 15462g of in chandro substation under gopalichak colliery at site.

Repairing of 2 nos. of 3.3kv, 150amps, mv make ocb primary main of 315kva, 3.3kv/550v power transformer and 250kva, 3.3kv/550v power transformer feeding power to domestic pumps installed at sgp chinakuri substation of chinakuri mine-i under sodepur a

Maintenance and reconditioning of 01 no.1250a, 33kv mocb, make-bhel si.no. 9027893 for primary control of 5 mva transformer 33kv/11kv feeding power to jarangdih feeder from regional substation under kathara colliery.

Repairing/rewinding of 150 kva, 3.3 kv/550v, crompton parkinson make power transformer, si no -1844 of ranipur colliery (filter plant) under parbelia group of mines used for domestic water supply (b) repairing/rewinding of 250 kva, 3.3 kv/550v, gec m

Repairing of one no of biccolowrie make, 400 amps, 11kv ocb, primary main of 1 mva transformer at surface substation and one no acb make 200 amps, 550v, abc of parbelia colliery under sodepur area.

Repairing of 400 amps 11kv/ocb make biecco lowery of golakdih sub station under kuya ocp

Repairing of 400 amp 11kv/ocb make biccolowery controlling of 250kva transformer of victory colliery sub station

Repairing of 11kv, 800amps biecco lowrie make &#x0d vcb switch, sl.no.-vb8a-7370 for controlling of &#x0d lighting circuit of khodovelly of amp colliery.

Power re-organisation with installation of 02nos. 400 amps 11kv vcb for primary controlling of transformer (dgms violation) at mohanpur colliery under salanpur area.