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 (a) 11kv, 600a, gec make ocb switch &#x0d sl.no.-2817 and (b) 6.6kv,400a gec make ocb &#x0d switch sl. no.-m-164 for controlling of 11kv/6.6kv &#x0d transformer at sadbhavna substation under &#x0d muraidih, amp colliery.

Docp under cv area.(c) repairing and maintenance of 800 amp, 440 v,sait mine line make acb,si no-sa-1550 at bittu khana chp(c) of docp under cv area.(d) complete repairing and overhauling of 3.3 kv, dol starter of parbhu make st no. docp/5/003 at

Complete repairing and maintenance of gec make lt ocb 400 amps, 440 v si no- 30/2525 kkc main siding under block-ii area

Complete repairing and overhauling of 11 kv 1250 amp gec make ht ocb,si no-ccb/01, for controlling feeder no-01 at abocp mines

Repairing and maintenance of 11 kv, 400 amps meditron make vcb sl. no.-mdo-0330 ctr of kessurgarh feeder breaker no-02 and 03 at abocp mine

Repairing and maintenance of ocb switch 440vctr 400/5a make g.e.c sl no.002 installed at bhoura north e.j.area.

Repairing of (a)3.3 kv vcb switch 200 amp. indoor type make electrotechnika, sl. no. missing and (b) 11kv vcb switch 400a, make andrew yule, sl. no. missing installed at kdh old sub-station in respect of rohini project, nk area

Repairing and overhauling of 800 amps 440v, ocb with busbar make gec sl no kb10/12pit/eng/24-25/02 at site of kb 10/12 pit colliery.

Repairing and maintenance of a) gec make ocb 400 amps, 550 v si no-docp/enm/s/11 at m section and b) 3.3 kv, 500hp/375kw, mine line make starter sl no-3034 at mine of docp under cv area.