(a) complete repairing/rewinding of one no.500 kva 3.3kv/550 volt power transformer sl.no.lph/tr/12 at 1 pit lodna colliery and (b) complete repairing/rewinding of one no.400 kva 3.3kv/440 volt lighting transformer sl.no.lph/tr/13 at 1 pit lodna col

Rep./ overhauling of andrew yule make field switch 400amp., 3.3&#x0d kv and rep. of magnetic amplifier block assembly (02 nos.) of ekg shovel sl. no. hmb 578 at asbn ocp, sijua area

(1) repairing / overhauling of 6.6 kv / 400 amp h.t.switch sl.no.sgi-8826 make electrotecnica at sijua siding,katras area-iv. (2) reapairing and overhauling of 6.6 kv ocb,400 amps biecco lawrie ltd.make sl.no. pb418272 of tilatand sub-station of kat

Complete rewinding and repairing of 3 phase p.t. 6.6 kv/110 v controlling for 400 amp ocb switch make - biecco lawrie sl.no. vr 9121 at sijua chp (nkas) sub-station katras area.

Complete repairing of 400 amps ocb switch 6.6 kv make-ece sl.no.8528 at agkcc colliery under katras area

Repairing/ overhauling of 6.6 kv /400 amp h.t. switch sl.no.sgi 2311 at sijua chp sub-station (nkas) under katras area

(1) complete rewinding &#x0d and repairing of 3 phase &#x0d p.t. transformer 6.6 kv /110 &#x0d volt, controlling for 800 &#x0d amps ocb switch, make-ece &#x0d sl.no.p0941/82 at katras &#x0d chaitudih colliery under &#x0d agkcc katras area. (2) &#x0d complete rewinding and

(a) complete repairing /overhauling of 400 a, 6.6 kv, vcb switch make electrotecnica sl.no sgi 8365 of durga nagar sub-station of coal dump colony, under katras area-iv. (b) complete repairing of400 amps acb switch make prabhu. volt 440

Repairing and overhauling of ht out going switch 6.6 kv 400 amp vcb make andrewyule sl.no.2848 at chp sub station under katras area..

Complete repairing and overhauling of 6.6 kv,400amp ht switch electrotechnica (pvt-ltd) sl.no.- 9025,nkas substation sijua siding,katras - iv.bccl