Tenders for Design, Supply, Erection, Testing And Commissioning Of 25 Kv, 50Hz Single Phase A.C. Traction Overhead Equipment With 65Sq.Mm Catenary And 107Sq.Mm Hdg Copper Contact Wire, Lt Supply Transformer Stations Revised Krishna Yard Arrangements Showing Proposed Connection Of Track Between Ksn-Dkc Bg Line And Existing Common Loop Line In Krishna Yard