Complete rewinding and repairing and maintenance of 500kva transformer 6.6kv/440v sl. no ws 8 make marson of main colony sudamdih under asp shaft colliery.

Rewinding /repairing of 500kv a transformer 6kv/550volt, sl. no. 4009331 make-bsidc electric equipment factory-ranchi of patherdih colliery under asp colliery

Repairing / maint. of 500kva transformer 6.6kv/440v, sl no. td/1350/2, make- bijlee siemens co. of docp colony sudamdih under asp colliery.

Complete rewinding/repairing of 500kva, aluminium transformer 6.6kv/440-volts, sl.no.4009258 make-g.e.c pvt.ltd. of sudamdih colony under asp(shaft) colliery.

Complete repairing and rewinding of 300kva transformer 6.6kv 440v sl. no ws 10 of new mines colony river side sudamdih under asp colliery.

Part repairing and overhauling of 500kva transformer 6.6kv 440v sl. no 840070 make va electrical industries of new mines colony riverside sudamdih under asp colliery.

Part repairing and maintenance lt and ht side complete bushes and studs changing with flexible jumper of 500 kva transformer 6.6kv/440v sl.no 4009258 make bsidc electric equipment factory ranchi gec pvt. ltd. of asp colliery.

Part repairing lt and ht side complete bush and studs changing with flexible jumper of 500 kva transformer 6.6kv/440v sl. no 4009330 make bsidc of river side subhas chowk sudamdih under asp colliery.

Part repairing lt and ht side complete bush and studs changing with flexible jumper of 500 kva transformer 6.6kv/440v sl. no ws 9 make bsidc of sudamdih old incline colony under asp colliery.

Complete rewinding and repairing of 300kva transformer6.6kv/ 440v sl. no c6775/65 make ece of main colony sudamdih under asp colliery.