Complete repairing and overhauling/safety protection of (a) 400amps/550volt gec make ocb switch local id. bar/ocb/ 28(b) 400amps 550volt gec make ocb switch local id. bar/ocb/ 03 at bararee colliery of amal. joyrampur colliery under lodna area.

Complete repairing and overhauling of (a) 200amps 550volt make acb, (b) 200amps 550volt abc make acb and (c) gec make 400amps 550volt ocb switch of tilaboni colliery.

(a) complete repairing and overhauling of safety protection of 1 no. h.t. switch 11 kv 400 amps biecco make ocb (b)complete repairing /overhauling of one(01) 400amps 550volt easoni make ocb switch with busbar sl. no. 12k6021of amal. joyrampur coll

(a) repairing/ overhauling of one(01) no.800amps 550volt r sl. no. bar/sw/ocb/08(b) repairing of 01(one) no. 100amps 550volt sd-15 busbar local id.no. joy/3/sw/ocb/17 at 5 pit sub-station of amal.joyrampur colliery under lodna area.

Repairing of 6.6kv crompton greaves make&#x0d 400amps ocb switch sl no. 45832 controlling of&#x0d 1000 kva, 6.6kv/440v-550v transformer at&#x0d madhuban filter plant sub-station under, amp&#x0d colliery barora area

Repairing of 400amps ocb switch, gec make, 440 volts, sl. no. 31/0290 of km sub-station of abg colliery

Complete repairing/ overhauling of one(01)550 volt ocb 400amps metro politan make ocb switch sl. no.d-834890 installed at lodna power house

Complete repairing and overhauling of (a)1200amps /550volt local id. bar/sw/ocb/ 550v/33 and (b) 800amps 550volt switch local id. bar/sw/ocb/ 550v/37(c ) auto starter sb industries make local id bar/st/auto/550v/0448 at bararee section of amal. j

Repairing of 3.3kv, 400amps gec make ocb switch sl no. m-628 for controlling of secondary 3.3kv switch of darnoda albion sub-station of damoda colliery.

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