For cork sheet changing, copper stud and repairing of 500kva, 6.6kv/550v make-marsons electricals pvt. ltd. sl.no.15743 power transformer at jogta sub station at kankanee colliery under sijua area

For changing of copper stud and cork sheet and copper patti of 250 kva, 6.6kv/550v transformer make the english electric sl.no.1h2679/2 at bhadrichak substation substation of mdc.

For changing of copper stud and cork sheet and copper patti of 315kva,6.6kv/440 transformer sl.no.81016a at 22/12 substation of mudidih colliery.

For partial repairing of 3 no. transformer of mudidih colliery(a) cork sheet changing and stud change in 250kva and 200kva 550v/440v transformer(b) rewinding of 50kva,550v/440v transformer mudidih substation under sijua area

For the repairing con of transformer 11kv/550v to 6.6kv/550v 500kva make-ngef sl.no.28.0002.2201 at sbc under sijua area.

For the repairing and con of transformer 11kv/550v to 6.6kv/550v 500kva make-ngef sl.no.28.0002.2201 at sbc under sijua area.

For complete rewinding and repairing of 500kva 6.6kv/550v transformer of loyabad colliery under sijua area

For the cork sheet changing,copper stud changing and bushing oil seal etc.maintenance work of kanohar make power transformer 1000kva, 6. 6kv/440v, sl.no.km-365/j installed at gareria basti for domestic lighting at sbc.

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 partial repairing cork sheet change stud changing ,oil filtration etc. for 03 nos.(a)750kva 6.6kv/440v sl.no.35281(b)500kva,6.6kv/550v asst.no.knc/js/tr 1(c )315kva,6.6kv/440v sl.no.5790c) power transformer at substation under kankanee colliery