(a). repairing of 3.3kv, 630a, vcb, ctr 600/300/5a, make-pce, sl.no.-05/hmv/132 installed at main sub-station of gvp phase-ii ocp, (b). repairing of 3.3kv vcb, make-pce, 630a, sl.no.-05/hmv/131 of secondary switch at 3mva, 11kv/3.3kv transformer of g

Complete repairing of vcb switch (a) 3.3kv, 400 amp. make electroteknica, sl. no. fs-374, supplying power to face pump feeder and (b) 3.3-6.6kv/110v, ct 120-60/5plus5 amp. make electroteknica, sl. no. sp/0/400 supplying power to shovel no. 05

Repairing and overhauling of 800 amps 440v, ocb with busbar make gec sl no kb10/12pit/eng/24-25/02 at site of kb 10/12 pit colliery.

Repairing and overhauling of 11kv, 400a crompton greaves make ocb switch with busbar sl no 15462g of in chandro substation under gopalichak colliery at site.

Repairing/overhauling of 800a 550v/440v abc make, air circuit breaker sr 375 installed at central pool substation under sijua area. (ii) repairing of 350a 550v sr no340222 flp type make erskine heap co. ltd. ocb switch at loyabad workshop un

(1) complete repairing of &#x0d 1273 hp star delta starter &#x0d 6.6 kv, sl.no.ht 606 make&#x0d prabhu akwmc o.c.p katras &#x0d area. (2) repairing of 400 &#x0d amps ocb switch 6.6 kv &#x0d make-gec, sl.no. 5101 at &#x0d kantapahri sub-station &#x0d akwmc under katras area.

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

Complete repairing / reconditioning of 3.3 kv ocb switch, 400 amp, make-bharat bijlee, s/n-sgw-2 installed at ht room for proper power supply to oversize restriction plant and ii) 3.3 kv ocb switch make-kirloskar, s/n-401001-34 installed at main sub-

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

Repairing of 1200amps gec make lt ocb switch, 440v &#x0d colliery sl. no. 50/0280 is used to control the lighting &#x0d main switch for khodovelly basti near muraidih fb of &#x0d muraidih, amp colliery.