For partial repairing and installation of buchholz relay, winding and oil temperature meters of 500kva, 11kv/440v lighting transformer make kva process ltd sl no 11/1380 of sector 2 substation of east basuria colliery in respect of kusunda area.

Repairing and reconditioning of a. 11 kv 800amp, prabhu make sl no 0526 vcb switch of feeder 1 and b 3.3 kv, 400amp ocb crompton greaves make sl nokugp.ocb.ccl001 used for primary control of lighting transformer 630 kva 3.3kv 440v installed at main s

Complete repairing and con of 300kva crompton parkinson make, 11kv/550v, 3 phase power transformer to 11kv/440v lightening transformer sl no. 8842 at beldanga unit under pandaveswar colliery, pandaveswar area

Complete over hauling and maintenance of 500kva transformer 3.3kv/550v power transformer oil cooledtype, make marsons calcutta transformer sl. no 9906 atbhowra (n)collieryunder e.j.area bhowra

Providing and fixing of damaged/defunct spares in 2 nos of 3. 3kv nflp 3. 3kv 400amp indoor type vcb with sl no is 180 and sgi 2127 including testing and overhauling installed at surface substation of hirakhand bundia mine of rampur sub area under o

Repairing and overhauling of 11kv, 400a crompton greaves make ocb switch with busbar sl no 15462g of in chandro substation under gopalichak colliery at site.

Complete repairing / rewinding of 315kva,3.3kv/550 volt tsu kirloskar make sl. no.- 93dgb218/33 convert to 315 kva, 3.3kv/440 volt only transformer at bhalgora new pit sub station of aebsc.

Complete overhauling and maintenance of 250 kva transformer 11kv/440v lighting transformer oil cooled type make eaei sl. no isi 1180 at patherdih lalpul under patherdih coal washery

Complete overhauling and maintenance of 250 kva transformer 11kv/440v lighting transformer oil cooled type make eaei sl. no pcw-1 at patherdih colony under patherdih coal washery

Repairing and rewinding of 315 kva power transformer 11kv/440v make crompton greaves, sl no- gop-02 for patch b gopalichak colliery.