(1) changing cork sheet, rubber bush, and l.t stud with insulator including materials of 250 kva ratio 6.6kv/440v volt sl.no.2205 make crompton parkinson at katras chaitudih office. (2) complete repairing of 175 hp auto starter make speed engineering

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 500kva transformer 6.6kv/550v/440v make-kanohar sl.no.km/125f at 7 no. substation of mdc

Complete repairing /overhauling of 1 no l.t. o.c.b. switch 440 volts secondary switch 200 amps kilburn make sd-15(local idbccl/st/sw/ocb/400v/14) of amal.nt-st-jn colliery under lodna area.

Complete rewinding of power transformer make na, 300kva, 6.6kv/550v sl. no. na of katras regional store substation of nakc under govindpur area.

Complete repairing and overhauling of 1 no. l.t. o.c.b.switch 550 volts 200 amps kilburn make sd-15 (local id.no. bccl/jg/sw/550v/25 ) at paharigora sub-station of amal.nt-st-jg colliery under lodna area.

(1) complete repairing &#x0d of &#x0d 400 &#x0d amps,6.6kv/550v,ocb &#x0d switch,make-reyrolie &#x0d burn controlling at &#x0d asgkcc under katras &#x0d area.(2) &#x0d complete &#x0d repairing of 6.6 kv ocb &#x0d switch 400 a make cook &#x0d ferguson

Partial repairing of safety devices such as buchhnoz 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 crompton greaves pvt.ltd, 1000kva, 6.6kv/550v