S&T Cable Clearance In The Yard To Facilitate The Engineering Earthwork , Yard Remodeling Work And Modification/Alteration In Distributed Electronic Interlocking (M/S Hitachi Sts (Formerly Known As Ansaldo Sts) Make) At Madwarani Station And New Centralized Electronic Interlocking At Saragbundia And Auto Signaling Work (Ei Based) In Connection With 3Rd & 4Th Line Work Between Srba-Mwrn In Cph-Gad Section In Bilaspur Division Of Sec Railway