A. complete rewinding and repairing of 100kva 550volt 440volt lighting transformer along with installation at kunmardihi siding b. maintenance of 1 mva 11kv 3.3kv power transformer with dehydration and filtration and replacement of damaged crock shee

Repairing and re-winding of 100kva transformer 550/440volt type indoor (old type) transformer at pit no. 5 sub-station, begunia project.

Repairing and re-winding of 100kva transformer 550/440volt type indoor (old type) transformer at pit no. 5, sub-station begunia project.

Installation of 6 nos. surge arrestor and &#x0d 3 nos earth pit for sub station and pole surge at sand bunker near sb project siding of shankarpur colliery&#x0d

For partial repairing and filtration of transformer oil of various transformer like 150kva6.6kv/440v,200kva 6.6kv/440v,100kva 550v/440v and 150kva 550/440v installed ekra substation, colony and office under basdeopur colliery of sijua area

Complete repairing and overhauling of 1 no.200 amps 550volt kilburm make ocb switch sl.no.01672 local id.no.st/sw/ocb/550 v/12 for secondary conrolling of 500 kva 11kv / 550 volt power transformer at golden sub-station amal.nt-st-jg colliery under

Overhauling of one 2mva, 11kv 3.3kv transformer, one 500kva,11kv 440v transformer, one 750kva ,3.3kv 440v transformer, one 150kva,11kv/ 40v and one 100kva 415v transformer installed at surface sub-station of n.j. unit and bahula siding under n.j. uni