(1)repairing and overhauling of mechanical as well electrical assly of 1250 amp.33kv vcb make-biecco lawrie sl.no.pvc-b36-0021(tr-2 controlling breaker) at 33kv r.s.sub-station.(2) new installation of 1000 amps v.c.b 12 no.with

Repairing of 02 no gec make 315 kva 3.3 kv to 570 volt an-an type of cooling tran switch unit installed at different panel sub-station for 315 kv transformer sr. no. missing of bhadra 7 8 mine

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 of 11kv, 400amps vcb switch meditron &#x0d make, type um/1vcb/lc, sl.no.9552 for controlling &#x0d of minop substation 2mva power transformer of &#x0d muraidih, amp colliery.

Repairing of 11kv, 800amps vcb scpl make &#x0d switch, type vibh, 700 sl. no. 018 for controlling of &#x0d 1-k pit substation of phularitand, 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 of (a) 11kv, 600a, gec make ocb switch &#x0d sl.no.-2817 and (b) 6.6kv,400a gec make ocb &#x0d switch sl. no.-m-164 for controlling of 11kv/6.6kv &#x0d transformer at sadbhavna substation under &#x0d muraidih, amp colliery.

Repairing/reconditioning of 01 no. vcb, 630 amp make yule, sr. no.- 1555,a- 630 installed at 4214 s/s used for 1028 conveyor . and supply and fixing of 3 no. electro pneumatic rotary valve positioner under chp/cpp, piparwar.

Complete repairing and overhauling of 11 kv 1250 amp gec make ht ocb,si no-ccb/01, for controlling feeder no-01 at abocp mines