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

Rewinding of 750kva 11kv/440v, sl. no. ks/750/2202 transformer installed at gm(h) unit hazaribagh area.

For maintenance of 750kva 11kv/440v transformer power ware make sl.no.18010620 installed at area office substation under sijua area

Complete repairing dehydration , filtration of 750kva ,11/ 3.3kv and 500kva 11kv/440v power transformer ,150kva 11kv/440v ,2 nos 100kva 11kv/440v lightning transformer of vk unit of khandra colliery under bankola area .

Oil filtration of 1mva, 11kv/3.3kv transformer and 500kva , 11kv/440v transformer of pundi project under kuju area

Overhauling of one 2mva, 11kv 3.3kv transformer, one 500kva,11kv 440v transformer, one 750kva ,3.3kv 440v transformer, one 150kva,11kv/ 40v and one 100kva 415v transformer installed at surface sub-station of n.j. unit and bahula siding under n.j. uni

Repairing/rewinding of 250kva, 11kv/440v transformer and 100kva,3.3kv/440v transformer at topa project under kuju area.

Complete repairing/rewinding and oil filtration of 100kva ,11kv/440v ujaas energy make and 100kva , 11kv/415v si no. 20244/2247 transformer of gm unit kuju area.

Overhauling, repairing and replacement of damaged gaskets and filtration of transformer oil of one no. 750kva 3.3kv 440v, 2 nos. 100kva 3.3kv 440v, 2 nos. 100kva 550v 440v, 3 nos 50kva 550v 440v and one no. 25kva 3.3kv 440v lighting transformer

For the rewinding of 11kv/440v 100kva 3 phase transformer sl- prm1210552 m and b switchgear ltd. make to 3.3kv/440v 125kva transformer, for providing power to the outsourcing at adic, kusunda area.