Engineering, Procurement, Construction Epc For Supply, Erection, Testing & Commissioning Of 2x25 Kv 50hz Traction Sub Station And Switching Stations In Connection With Doubling Between Navipet Station Excl From Km 446.900 To Indalvai Station Incl Km 482.90033.70km, Excluding Nizamabad Yard From Km 458.825 To 461.125 I.e. 2.3km Of Hyderabad Division, South-central Railway In Telangana State, India