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For repairing and overhauling of 02 nos.6.6kv,vcb switch(i)6.6kv.630a mine line make-vcb sl.no.sa 697 asset no.sbc/24(ii)6.6kv,400a opg power system pvt.make-vcb sl.no.v/149/23-27 asset no.sbc/22 installed at chp central pool substation under asbnc

For repairing of incomer 400a,6.6kv, ocb switch sl.no. bsp/switch/06 make ferguson at ekra substation basdeopur colliery under sijua area

Preventive maintenance of 33kv indoor panel and outdoor breaker of 10 mva, 33kv/11kv andrewyule transformer -2 at southloyabad substation and 11kv vcb of basuria dhansar and gonudhia feeder at godhur switching substation under area

Maintenance and reconditioning of 2 nos. vcb (11kv and 6.6kv, pce make), 2 nos. ocb switch (11kv, 800 amp, gec make), sf6 abb make breaker (33kv, 1250 amp), maintenance of ct, and repairing of 11kv capacitor bank control panel at central substation

Complete re-winding and re-insulation of 1 no. of 200 kva flp tsu, type t3sob200/6 with sl.no. 679573, 1 no. of 315 kva flp tsu, type t3sb315/6 with sl.no. 79154399 for the main substation, moonidih

Overhauling of 4 nos 1000 kva oil type transformer including filtration and top up of new tr oil 1 no of earth fault relay master relay available in the 11 kv vcb accessories transport charges available at amma maaligai muthamizh arignar kalaign

Annual maintenance contract (amc) of 01 no substation i/c (integrated circuit) of 11kv ht and lt line and ht metering room contains 11 nos 800 amp 11 kv ht vcb, 6 nos 1600 amp lt acbs and 4 no 1000 amp transformer at gc, crpf jalandhar.

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

(i)for maintenance of one no.1 mva 6.6kv/550v transformer installed at loyabad colliery make-ece,asset sl.no.arn/14 lbc(ii)complete rewinding and overhauling of a 750 kva power transformer 6.6kv/550v at 5 pit substation of lbc make-ece asset.no.loy/e