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

Repairing and &#x0d overhauling of &#x0d 800amps.,550v ocb &#x0d switch gec make sl.no. &#x0d 40/0135 at bhurungia &#x0d substation under &#x0d lohapatee colliery, &#x0d mahuda group

Complete repairing of 400a, 550v gec make ocb with busbar sl.no.314711 for feeder breaker of phularitand under &#x0d amp colliery under barora area

Complete repairing of 800a, 550v, gec make ocb switch of adi colliery under kusunde area

Repairing and complete overhauling of ht (12kv, 800amp) gec make ocb sl.no. m-259 installed at main sub-station, nudkhurkee feeder breaker abocp mine under block ii area.

Repairing and reconditioning of 2 nos 11 kv ocb gec make, 800amp at central substation basantpur under hazaribag area

Complete repairing 400amps ocb gec make,550v of 9 seam of jogidih colliery under govindpur area

For complete repairing and safety protection of 800amp, 440v, gec make sl. no.aael8816 ocb switch at lal banglow under ngkc(

For complete repairing and safety protection of 800amp, 440v, gec make sl. no.aael8816 ocb switch at lal banglow under ngkc

Complete repairing of 3.3 kv 3 phase 400 amps ocb of gec make sl no bh(s)/ocb/15 of bhowra south colliery