For complete repairing and overhauling of ocb, sd -15 make kilburn switch 550v,150a, asst. no. arn/72 sl.no.08595 4 pit loyabad (ii)and repairing of 120 hp,550v,star delta starter, a.t.s type, amba speed make,sl.no.a-223-97 controlling of submersible

Repairing of 11kv, 400amps gec make ocb switch, &#x0d colliery sl.no. m-6500 for controlling of sahana sub-station amp colliery.&#x0d

Maintenance of 500 kva 11kv/440v transformer sl.no&#x0d na for controlling of sahana substation of phularitand, &#x0d amp colliery.

Complete repairing of 1200amps gec make ocb &#x0d switch type k-5 with busbar sl.no. 50/0238 for all main &#x0d controlling of budora sub-station of phularitand, amp &#x0d colliery.

Repairing of 11kv, 400amps gec make ocb switch, &#x0d colliery sl. no. m-6500 for controlling of sahana &#x0d substation of amp colliery, barora area.

Repairing of 1200amps gec make ocb switch, &#x0d 550volts, type k-5 colliery sl.no. dc/lt/ocb/09 for &#x0d controlling of 750 kva transformer for l.t. side at fire &#x0d area of damoda colliery

Repairing of 1200 amp ocb switch with busbar make gec 440v-550v, type ctr 400-800/5a controlling to power transformer secondary switch of simlabahal 4 pit colliery.

Repairing of 3.3kv, 400amps gec make ht ocb switch &#x0d for controlling of 500kva transformer kkc link siding &#x0d substation of phularitand, amp colliery.

Complete repairing of 800a, 440v, gec make ocb switch s.n.- 40/0520 controlling of mathadih colony lighting line under abc colliery.

Repairing of 3.3kv, 400amps gec make ocb switch &#x0d sl. no. m-2817 for controlling of 1k pit sub-station of &#x0d phularitand, amp colliery.