Complete repairing and rewinding of (a) 01 no. 630kva, 3.3kv/440v k-sambhav make, with sl. no. ktc/tr/630/12 and (b) 01 no. 500kva, 11kv/440v gec make with sl. no. 22426418 oil cooled transformer for colony power supply under kathara colliery.

Complete repairing of 400 amps 11kv electroteknica make sl. no- 8363 vcb switch with busbar for primary controlling of 2mva, 11kv/3.3kv power transformer at main substation rocp/sj.

Repairing of 3.3kv / 6.6kv vcb field switch, 630 amp, make-andrew yule, sl. no. 0369 for float under kathara colliery.

(a)complete repairing of 3.3kv, 400amps vcb switch andrew yule make type nflp, sl.no.3837 and (b)repairing of bucholz relay wti and oti protective device 11kv/3.3kv transformer for controlling of f.n.-2 upper side s/s of mocp f/b of amp colliery.

Repairing and reconditioning of a. 11 kv 800amp, prabhu make sl no 0526 vcb switch of feeder 1 and b 3.3 kv, 400amp ocb crompton greaves make sl nokugp.ocb.ccl001 used for primary control of lighting transformer 630 kva 3.3kv 440v installed at main s

Repairing and reconditioning of 1 nos 11kv,630amp mocb make jyoti sl. no.153/89 and 1 nos 11kv,150amp prabhu make vcb sl no. 030 of sirka colliery

(a) repairing/reconditioning of 01 no of 3.3 kv, 160 amp,sait teknik pvt. ltd. dol er, sl. no.-sahd-2723 installed at quarry no.1 b)repairing/reconditioning of 01 nos. of lnt put make, acb lt panel sl.no. lw0035 of pundi project

Repairing and reconditioning of 1 nos 11kv vcb, andrew yule make and remote-control system at main substation of tsocp under hazaribagh area

Repairing and maintenance of 11 kv, 400 amps meditron make vcb sl. no.-mdo-0330 ctr of kessurgarh feeder breaker no-02 and 03 at abocp mine

Repairing of 05 nos. of 6.6kv dol starter, make sait mine line pvt. ltd and 02 nos. 6.6kv dol er, make prot india for operation of pumps at jehlitand sump and main sump under kdh ocp, nk area