Complete repairing /rewinding and overhauling of pullen make 120 hp 550 volt 2900 rpm submersible motor and 6 stage pump of dobari colliery.

Complete rewinding of 10 h.p, 550v, 960 rpm, 3 phase crompton parkinson make motor at filter plant khas kusunda of gkk colliery under kusunda area

Rewinding of 15kva, 550v/220v lighting transformer, of view point area of east basuria colliery

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

(i)for maintenance of one no.1 mva 6.6kv/550v transformer installed at loyabad colliery make-ece,asset sl.no.arn/14 lbc(ii)complete rewinding and overhauling of a 750 kva power transformer 6.6kv/550v at 5 pit substation of lbc make-ece asset.no.loy/e

For repairing and rewinding of submersible motor pump set 90 hp, 550v, 2900 rpm 3 stage, make wpil sl. no.tmc/sp/01)for tetulmari colliery

Complete repairing/rewinding of pullen make 160hp, 550v, 2900 rpm submersible motor and overhauling of 1000 gpm, 4 stage 100 meter head submersible pump at burragarh colliery, pb area.

Complete rewinding, repairing and overhauling of pullen make 300hp, 550v, 2900 rpm submersible pump and motor 4 stage 1000 gpm 200 mtr head sl no pp38776.

Complete rewinding, repairing and overhauling of pullen make 300hp, 550v, 2900 rpm submersible pump and motor 4 stage 1000 gpm 200 mtr head sl no pp38774.

Mechanical repairing of one no 250 hp 550v 2900 rpm 300 mtr 500 gpm 6 stage pullen make submersible pump and motor installed at moira colliery