Design, Modification, Alteration, Augmentation, Manufacture, Supply, Installation, Testing And Commissioning Of Hot Stand By Existing Ansaldo Make Electronic Interlocking Ei System At Asarva And Sonasan Stations Conforming To Attached Signaling Plan And Supply, Installation, Testing & Commissioning Of Outdoor Signaling Material For S & T Work In Connection With Sonasan Station Goods Shed Work & Y Connectivity Between Sabarmati -A And Asarva Station On Ahmedabad Division Of Western Railway