Complete repairing of 400 amps 11kv electroteknica make sl. no- 8363 vcb switch with busbar for primary controlling of 2mva, 11kv/3.3kv power transformer at main substation rocp/sj.

Excavation in earth for crack filling and cleaning of existing surface drain, making of new drain and fixing of subsidence pillars at khairaha ug mine.

Maintenance and repairing of 01 nos 1mva 11 kv/3.3kv power transformer and 11 kv , 400 amp gec ocb sl.- sar/ocb/01 and 3.3kv , 400a belgium make ocb sl. no.-sar/ocb/02 at 10 no main substation sarubera project under kuju area.

Repairing of 02 no gec make 315 kva 3.3 kv to 570 volt an-an type of cooling tran switch unit installed at different panel sub-station for 315 kv transformer sr. no. missing of bhadra 7 8 mine

Complete rewinding of 500kva, 3.3kv/440v transformer &#x0d at chitahi substation of amp colliery, barora area, sl.no&#x0d 224304/4 make gec.

Repairing of (a) 11kv, 600a, gec make ocb switch &#x0d sl.no.-2817 and (b) 6.6kv,400a gec make ocb &#x0d switch sl. no.-m-164 for controlling of 11kv/6.6kv &#x0d transformer at sadbhavna substation under &#x0d muraidih, amp colliery.

Repairing of vcb and its control panel of 3.3kv, 1250a, vcb andrew yule make, sl. no. 3126 secondary main control of 7.5 mva transformer with remote control panel installed at 33/11-3.3kv, 22.5 mva old substation of kdh ocp, nk area

Complete repairing/overhauling of 800a/440v gec make lt ocb bearing sl.no. m/jocp/01 installed at jamunia office substation under block-ii area

Repairing of primary and secondary control panel for &#x0d gec make 3.3kv/550v transwitch unit at r-6 mine, &#x0d ncph colliery.

Rearrangement of power supply with all safety features installation and up gradation like shade and foundation, gravelling, interlocking for 01 no. vcb and 01 no. 315kva, 3.3kv/440v indoor transformer at shiv mandir colony substation of topa ocp.