Flameproof transwitch unit (flp tsu) 315kva, 3.3kv/550v (or 525v),flameproof switch board panel comprising of seven flameproof 3.3kv, 400a vcb,flameproof switch board panel comprising of four flameproof 3.3kv, 400a vcb,flameproof vacuum circuit breaker 3.3kv, 400a,flameproof air circuit breaker 400a, 550v,flameproof air circuit breaker 200a, 550v,flameproof air circuit breaker 100a, 550v

Complete rewinding and repairing of primary and secondary breaker of andrew yule make 315 kva 3.3kv-550v sl no sspay03 transwitch transformer at shyamsundarpur colliery

Rewinding of 15kva, 550v/220v lighting transformer, of view point area of east basuria colliery

(i)for maintenance of one no.1 mva 6.6kv/550v transformer installed at loyabad colliery make-ece,asset sl.no.arn/14 lbc(ii)complete rewinding and overhauling of a 750 kva power transformer 6.6kv/550v at 5 pit substation of lbc make-ece asset.no.loy/e

Complete rewinding of 10 h.p, 550v, 960 rpm, 3 phase crompton parkinson make motor at filter plant khas kusunda of gkk colliery under kusunda area

Re-arrangement of bus bar structure, proper gravelling work of main substation for kugp and amc works of 11kv/3.3kv/550v/440v oh lines under kedla ugp, hazaribagh area.

For dismantling of ocp substation shed of size 50 ft x 50 and dismantling shifting, loading unloading of 1.5mva,6.6kv/3.3kv, transformer of badeopur colliery under sijua area

1.drawing of 1 new 440 v overhead line (500 m) from no.2 pit substation to agent office, kumardhubi colliery, 2. new 550v overhead line (300 m) from no. 2 pit substation to no. 2 pit fan house at kumardhubi colliery, mugma area, ecl.3.a) drawing of n

Repairing n rewinding of 315kva, 3.3kv/550v tsu of amritnagar colliery.

Complete rewinding repairing of 315kva, 3.3kv 550v 440v transwitch unit (tsu) of shyamsundarpur colliery under bankola area.