Overhauling and maintenance of 500kva transformer 11kv/440v lighting transformer oil cooled type make gec s.no.vq87/3492 of patherdih township of patherdih coal washery

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

Rewinding, repairing and testing of 04 nos lighting transformers bearing sl no m66438,7409, 7413 and 7408, 25 kva, 6600 220 volt for use in the mine illumination at jhingurda project.

Repairing/rewinding of a) 630kva, 6.6kv/440v lighting transformer running at hizukita village. b) 315kva, 6.6kv/440v lighting transformer running at lohandia basti. c) 100kva, 6.6kv/440v lightning transformer running at lalmatia sub-stn of rajmahal

A)complete repairing/rewinding of 63kva 3 phase 3.3kv/230 volt transformer, make- transgietz enterprises, sl. no.-224 installed in dakra mines in respect of dakra project. b) preventive maintenance of 100kva 3.3kv/440v transformer sl. no.- local sl.

Repairing and rewinding of induction motor, lighting transformer, acb switch at pandaveswar colliery and repairing of transformer, induction motor, motor, udm motor, drill panel at khottadih colliery

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

Complete repairing/rewinding of 3 phase marathon make induction motor, 6.6 kv, 750 kw, 1492 rpm, sl. no. 3f660895/2 failed during operation in the deep mine pumping zone of rajmahal ocp.