1.drawing of 1 new 440 v overhead line (500 m) from no.2 pit substation to agent office, kumardhubi colliery, 2. new 550v overhead line (300 m) from no. 2 pit substation to no. 2 pit fan house at kumardhubi colliery, mugma area, ecl.3.a) drawing of n

400amps metro politan vickers ocb switch pump no 2 with busbar at 6 pit aralgaria colliery, pb area.

400amps metro politan vickers ocb switch pump no 2 with busbar at 6 pit aralgaria colliery, pb area.

Complete repairing and overhauling of 400 amps, 6.6kv, abc make acb switch busbar sl no 340 at site of pb project colliery.

Complete repairing and overhauling 400a, 550v, ocb with busbar flp type aei make sl no d1048912 of 6 pit (a) bhagaband colliery.

Complete repairing of biecco lowrie make 400 amps ocb switch 11kv with busbar at chandmari colliery.

(a) partial repairing of 01(one) no. 400 amps 440 volt a.b.c. make switch (b) repairing of 01(one) no. 200 amps 440 volt kilburn make ocb c) repairing of 01(one) no. 400 amps 440 volt g.e.c ocb switch of kujama colliery

Complete repairing and overhauling of 11kv 400 amps ocb with busbar switch crompton greaves make sl no 23599g at site in chandro sub-station gopalichak colliery.

(a) complete repairing /overhauling of g.e.c. make switch 550 volt 1200 amps with busbar of 1 pit lodna colliery local idno. lc/sw/228 sl. no 50/0113 ,&#x0d (b)complete repairing /overhauling of g.e.c. make switch 550 volt 400 amps with busbar of 1 pit

Complete repairing of one 400 amps 550v gec make ocb with busbar sl. no 30 1908 of bhowra north colliery.