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 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 1 no.(one) no.200amps 550volt sd-15 type kilburm make ocb switch with busbar sl.no.14016 at bagdigi sub-station 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.

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 1 no.(one) no.1200 amps 550volt gec make ocb switch with busbar sl.no.50/0109 and local id. no. joy-05 and lt/sw/7 at 5 pit sub-station of amal. joyrampur colliery under lodna area.

For partial repairing / overhauling of gec 3.3kv, 400a ocb with busbar switch at site of alkusha colliery under ngk colliery.

Complete repairing and maintenance of 400 amps ocb switch make gec 550volt ctr 400/300/5a, sl. no. 314711/136 of water treatment plant, bhowra (north) colliery under e.j. area

Complete repairing of gec make 800 amp. 550 volts ocb switch with busbar 0 seam of kuya colliery.

Erection and commissioning of pole of 550 volt overhead line at 3 pit joyrampur colliery of amal.joyrampur colliery under lodna area.