Engineering, Procurement And Construction (Epc) Contract For "Doubling Of Track Between Katpadi And Tirupati Stations From Km 0.85 To Km 103.84 Excluding Chittoor Yard From Km 31.80 To Km 34.50 With Signalling & Telecommunication, Electrification Works Including "Augmentation Of Existing 1X25kv Tss/Ssp/Sp To Suit Proposed Second Line" In Guntakal Division Of South Coast Railway.Engineering, Procurement And Construction (Epc) Contract For "Doubling Of Track Between Katpadi And Tirupati Stations From Km 0.85 To Km 103.84 Excluding Chittoor Yard From Km 31.80 To Km 34.50 With Signalling & Telecommunication, Electrification Works Including "Augmentation Of Existing 1X25kv Tss/Ssp/Sp To Suit Proposed Second Line" In Guntakal Division Of South Coast Railway.,