Complete repairing and overhauling of gec make lt ocb 400 amps, 550 v si no- 30/1538 at langri more of docp under cv area.

Complete repairing and maintenance of gec make ocb 400 amps, 550 v si no- 30/2049 at enm section of docp under cv area.

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.

Complete repairing and overhauling of ece make 400 amp c.t.r 300/150/5 ht ocb langree more sub-station of docp under cv area.

A) repairing and overhauling of 11kv ht ocb make reyrolle sl. no. docp/s/007 installed at victoria west colliery sub- station of docp. (b) repairing and maintenance of 11 kv, 400 a of cromton make ocb sl no-15903 at zone-02 sub-station of docp.

Repairing of 3.3kv, 400-amps, crompton greaves make ocb type-alai/xl, s.no.32087g of poidih sub-station, 11kv, 400-amps, crompton greaves make ocb type-alai/xl, s.no.23821g of poidih sub-station and 400-amps , 550-440v, gec make type -k3, s.no.sdp/pn

Proposal for repairing and rewinding if marson calctta make, 2mva, 11kv/3.3kv power transformer at langri more, sub-station, docp, sl no. docp/tr/001.

Repairing of 400 amps gec make 11kv ocb (ht switch) at millinium incline shankarpur colliery under bankola area

Complete repairing and overhauling/safety protection of (a)400 amps 550 volts gec make ocb switch sl.no. bar/ocb/02 for power controlling lighting line of nunudih basti and bhuli type colony digwadih and (b) 400 amps 550 volts gec make ocb switch sl

Proposal for repairing of crompton parkinson make ocb 400a, ctr-100/5a, 11kv switch gear main controlling of 3mva 11kv/3.3kv transformer at langri more sub-station at docp.