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 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 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

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

Partial repairing and changing of cork sheet and stud with rubber bushes of 500kva 11kv/440 volt lighting transformer at bera colliery.

Repairing and changing of cork sheet and rubber bushes with stud of 300 kva/11kv/550/440v lighting transformer sl. no.674/1 at bastacolla colliery.

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.

Changing cork &#x0d sheet,rubber &#x0d bush,and l.t stud &#x0d with insulator &#x0d including &#x0d materials of 500 &#x0d kva/ 6.6 kv/550 v&#x0d transformer&#x0d sl.no.191/2 at kcc &#x0d office agkcc

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

Partial repairing of safety devices such as buchholz relay ,oil temp relay ,winding temp relay, breather assembly and cork sheet changing and stud changing of ht and lt side of power transformer of make andrew yule and co. ltd 750kva, 6.6kvv/415v