A)complete repairing/rewinding of 63kva 3 phase 3.3kv/230 volt transformer, make- transgietz enterprises, sl. no.-224 installed in dakra mines in respect of dakra project. b) preventive maintenance of 100kva 3.3kv/440v transformer sl. no.- local sl.

Repairing and maintenance of 250 kva,3.3kv/415 volt,local sl.no.- po/peocp/02 and 100kva,3.3kv/ 440v ,sl.no.-8205 of peocp under hazaribag area

Complete rewinding of marson make 500 kva &#x0d 11kv/440v transformer sl.no.-15731 of damoda &#x0d colliery under barora area.

Complete repairing and rewinding of 500kva, 3.3kv/440v marson calcutta make lightning transformer s.no.8725 of chinakuri mine-ill&#x0d colliery under sodepur area.&#x0d

Complete repairing/rewinindg of 500-kva, 3.3kv/440v marson calcutta make lighting transformer of sodepur r colliery under sodepur area.

Repairing and rewinding of 1mva, 11kv/3.3kv power transformer make marson sl.no-8580 of karma project under kuju area.

Repairing and maintenance of 100 kva,3.3kv/415 volt, local sl.no.-8205 and 50kva,3.3kv/ 415v, sl.no.-738 of peocp under hazaribag area.

Repairing of 300a, flp, mine line make, 550v/440v grade, sl.no. 82 at nakc under govindpur area iii.

Partial repairing of 1000kva transformer 6.6kv/550v under govindpur area500kva,11kv/440v,sl.no 4012706 of water treatment plant s/s of kharkharee colliery under govindpur area.

(a). repairing of 3mva transformer 11kv/3.3kv make-andrew yule, sl.no.-10619 charged at main sub-station of gvp project and (b). replacement of bushing insulator with stud, nut and cork sheet of 500kva, 3.3kv/550v transformer, make-marson, sl.no.-129