Repairing of 2 nos. of 3.3kv, 150amps, mv make ocb primary main of 315kva, 3.3kv/550v power transformer and 250kva, 3.3kv/550v power transformer feeding power to domestic pumps installed at sgp chinakuri substation of chinakuri mine-i under sodepur a

Repairing/overhauling of 2 no. of lt switch circuit breakers(i)lt switch ocb gec sl.no30/1491 400amps 440v/550v(ii)ocb gec sl.no.30/1527 400amps 440v/550v asbnc.(2) rep.of two nos. acb switch 400amp 440v sl.no.343 make kilburn (ii)ocb switch 200a

Repairing of 750kva, 11kv/440v lighting transformer installed at surface station of chinakuri mine-i under sodepur area .

Complete repairing of gec make, 400amps,440v, sl.no.314711/54,ocb switch at kalyanchak sub-station of dahibari colliery.

1.maintenance and separation of 440v power line at officer quarter and agent bungalow under 250kva. 3.3kv/440v lighting transformer of chinakuri mine-ill colliery under sodepur area.&#x0d 2.maintenance of 3.3kv/550v/440v power line at chinakuri mine-ill

A)complete repairing and overhauling of one(01) no.400amps 440volt id.no. sw/ocb/ 440v/43 (b) partial repairing of one(01) no.400amps 440volt id.no.bccl/ nt/sw/440v/44(c)complete repairing of 3.3 kv id.no. bccl/ nt/sw/ocb/3.3 kv/63 installed at

Repairing of 400amps (ocb) switch, gec make 440v ,si.no. 30/2065 working as lighting switch at k.m sub-station of abg colliery

Repairing of ocb switch 400amps of make gec,550v/440v,si.no.30/1754 at water treatment plant for lightening of kharkharee colony of kharkharee colliery under.

Repairing of reyrolle make, 11 kv, 400 a, ocb controlling main of 750 kva, 11 kv/440 v lighting transformer installed at surface substation of chinakuri mine - i under sodepur area.

Repairing of 400amps. 440v, ocb switch mei make &#x0d coll. sl. no-lt/02 used to control lighting circuit of &#x0d cisf camp nicco plant of muraidih, amp colliery.