(a) complete repairing/rewinding of one no.500 kva 3.3kv/550 volt power transformer sl.no.lph/tr/12 at 1 pit lodna colliery and (b) complete repairing/rewinding of one no.400 kva 3.3kv/440 volt lighting transformer sl.no.lph/tr/13 at 1 pit lodna col

Rewinding and repairing of 04 mva transformer 33 kv 6point6kv 3 point 3 ht power transformer sl no 1212440 make m and b switchgear ltd of amlai ocm of sohagpur area secl

Partial repairing cork sheet changing stud and bushes and etc of 5000/7500 kva/33kv/11kv power transformer make andreyule at 33 kv golakdih substation.

Partial repairing of 11kv/3.3 kv 2000 kva power transformer apeec makes sl. no- v980/87 at rocp substation under rocp/sj

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

Transformer oil filteration, testing silicagel with breather cork sheet stud changing of 500 kva and 750 kva transformer and temprature meter or sensor fitting at bnr siding, rocp/sj.

Partial repairing transporting installation of 11kv/3.3kv 2500 kva power transformer at bgr camp substation under kocp.