Repairing/changing of bushing cork sheet, primary and secondary side stud and other miscellaneous work of 750kva transformer 11kv, 550/440 volt make east india udyog sl. no.-1075/2 of feeder breaker muraidih substation under amp colliery.

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.

Repairing of 3.3kv, 400amps vcb switch sait mine line make sl.no.-1302 for controlling of budora substation of phularitand, amp colliery.

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

Repairing (02 nos.) of buchholz relay wti and oti protective device of 2mva,11kv/3.3kv transformer at budora substation and repairing of 1250kva,11kv/3.3kv transformer for controlling of power transformer at benidih substation of phularitand,ampc.

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.

Partial repairing cork sheet changing stud and bushes etc of 11kv/3.3kv 2000 kva power transformer of new substation v point, under rocp/sj

For changing of copper stud and cork sheet and copper patti of 500kva transformer 6.6kv/550v/440v make-kanohar sl.no.km/125f at 7 no. substation of mdc

Repairing of 3.3kv, 400amps gec make ht ocb switch &#x0d for controlling of 500kva transformer kkc link siding &#x0d substation of phularitand, amp 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