complete repairing / overhauling of 400 amp.11 kv vcb switch make electrotechnica sl.no.sgi-2306 ctr-150 / 75 / 5 main controlling of feeder-i controlling switch at7 pit new sub-station jealgora local id no. jeal / sw / 31 of amal.joyrampur colliery under lodna area.- 1 complete rewinding of11 kv / 110v 3 phase potential transformer molded type 2 p.t. fuse hrc 11 kv grade 3 amps 3 p.t. and l.t. fuse set supply and fitting hrc 4 supply and fitting of electronic type e / l relay 5 supply and fitting of maching cbct 6 supply and fitting of 4 inch sq. amps and kv meter 7 complete wiringchanging / repairing of vcb 8 selector switch 16 amps for kv and amps 9 on-off switch 63 amps 10 c.t. changing double ratio-150 / 75 / 5 amps 11 vaccum interrupter sparator changing 12 supply and fitting body bush ( stand ) insulator 13 rectifire bridge 40 amps for d.c. 14 busbar fixed contact supply and fitting with insulator 15 busbar moving contact supply and fitting with insulator 16 nut and bolt etc 17 paint and painting charge. 18 total impact of gst for the purpose of ctc