Design, Supply, Erection, Testing & Commissioning Of 25Kv, 50Hz Single Phase A.C. Traction Overhead Equipment With 65 Sq.Mm Catenary And 107/150 Sq.Mm Hdg Copper Contact Wire, Lt Supply Transformer Stations Including Modifications To The Existing Ohe In View Of Proposed "1. Augmentation Of Homing Capacity From 225 To 300 Locomotives At Els/Lallaguda And 2. Augmentation Of Infrastructure Facilities For Maintenance Of Vandhe-Bharat Rakes At Tsmd/ Moula-Ali" Of South Central Railway