Re-arrangement of bus bar structure, proper gravelling work of main substation for kugp and amc works of 11kv/3.3kv/550v/440v oh lines under kedla ugp, hazaribagh 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

Dehydration, filtration and commissioning of 1 mva 11kv/3.3kv power transformer, 100kva 3.3kv/440v lightening transformer, 25kva 550v/220v lightening transformer and 300kva 3.3 kv/440v lightening transformer at south samla unit of msam colliery under

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 .

Complete rewinding and repairing of crompton perkinsion make 750kva, 11kv/3.3kv power transformer sl no.- 21422 and 50kva , 3.3kv /440v lighting transformer of s.b. project.

Complete rewinding and repairing of crompton perkinsion make 750kva, 11kv/3.3kv power transformer sl no - 21422 and 50kva ,3.3kv /440v lighting transformer of s.b. project.

Repairing and rewinding of 100kva (01 no 3.3kv/440v) and 25kva(02 nos 6.6kv/3.3kv/220v) lighting transformer of jhingurda project

(a) installation of 750kva, 3.3kv/440v, transformer at new mines colony for using as colony transformer and (b) installation of 50kva, 3.3kv /440v, transformer at sawang main sub-station at swg-gvp ph-ii ocp.

For partial repairing cork sheet change stud change of 3 nos. lighting transformer (a)1000kva,11kv/440v(b) 500kv,11kv/550v(c ) 100kva,3.3kv/440v tmc(2)and maintenance and overhauling and transformer oil filtration of 500kva 11kv/440v transformer

For repairing/rewinding of 100kva, 550v/440v 3 phase lighting transformer of tetulmuri basti of mudidih colliery