(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

Erection and reorganisation of main 11kv overhead line and installation of 1.6mva power transformer 11kv/3.3kv with ht panel at pit office substation with busbar arrangement at topa ocp under kuju area.

Complete repairing and overhauling of 100kva, 11kv/440v transformer, g.e.c make sl.no. 0202b/64/lpt power supply of 64 no. colony quarter under lohapatii colliery

Complete repairing and &#x0d rewinding of 150kva,&#x0d 11kv/550v transformer, &#x0d ngef make sl.no.2800022163&#x0d power supply of 4 no. pits for &#x0d water supply colony quarter &#x0d and near basti under &#x0d lohapati colliery&#x0d

Complete repairing and overhauling of 100kva, 11kv/440v transformer, g.e.c make sl.no. dg/104 power supply of office and dg colony quarter under murulidih 20/21 pits colliery

Repairing of crompton parkinson make 250kva, 11kv/440v lighting transformer for mine lighting of dbocp.

Complete rewinding and repairing of 250kva 11kv 440v lighting transformer of 11kv old shankarpur sub station (sl no. t10) under shankarpur colliery

Complete repairing and rewinding of 500kva, 11kv/440v transformer, marsons electric pvt.ltd. make, sl.no-15731 for controlling of power supply of albion colony of damoda colliery.

Repairing of power transformer 315kva 11kv/440v 3 phase lighting line feeding power to chandmari colony under bastacolla colliery.

Complete repairing/rewinding of 100kva, 11kv/440v &#x0d make-gec, colliery sl.no-mur/tr/35 transformer for &#x0d lighting line purpose of muraidih colliery, amp &#x0d colliery.