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

Partial repairing gas kit changing stud and bushes and oil filteration of 11kv/440volt 750 kva lighting transformer of golakdih substation under kocp.

Partial repairing gas kit changing stud and bushes of 11kv, 440volt sl. no 0812, 750 kva lighting transformer of golakdih substation under kuya ocp..

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

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 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.

Partial repairing of 4 no 11kv vcb at golakdih 33kv /11kv sub station.

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

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 315kva,6.6kv/440 transformer sl.no.81016a at 22/12 substation of mudidih colliery.