Repairing and rewinding of 1mva 11kv/3.3kv power transformer sl. no. jrd/trf/1mva/01 installed at new sub-station of jarangdih colliery under kathara area.

Complete repairing and re-winding of (a) 02-nos. 500 kva, 3.3kv/440v (b) 01-no. 250kva, 3.3kv/440v and (c) 01-no. 160 kva, 11 kv/440 distribution transformers installed at different locations of kathara colliery under kathara area.

Complete repairing or rewinding of power transformer 500kva 11kv, 440v sl. no. jwtp,dam site,01 installed at dam site jwtp under block ii area.

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

Repairing and rewinding of 02 nos. of distribution transformers, 250kva, 11kv/440v and 250kva, 3.3kv/440v installed at cisf colony and gurudwara chowk under gm unit nk area.

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

Dry type and air cooled control transformer.

Dry type air cooled control transformer etc.

Repair and maintenance including diversion and extension of 3.3kv overhead line from 3mva/3.3kv transformer, jhirkey basti to jhirkey river side and harizan tola to safique gali transformer and mustaque gali under kathara colliery for the period of 0

Repairing, rewinding and installation of k-sambhav make, 11kv-3.3kv, 2mva transformer installed at chp substation at shyamsundarpur colliery under bankola area.