Design, Supply, Erection, Testing And Commissioning Of 220kv/2x25 Kv & 132kv/2x25 Kv Scott Connected Traction Sub Station And Switching Posts With At Feeding Between Durg Excl. -gondia -nagpur Excl. Up- Gradation Of Electric Traction System From 1x25 Kv To 2x25 Kv Traction System Of Secr To Meet 3000 Mt Loading Target In Engineering, Procurement & Construction Epc Mode.