Launching/Erection, Assembling And Transportation Of Composite Girder/Open Web Girder And Psc Girder/Slab For Super Structure Of Major Bridges, Linking Of Track On Bridge, Supply & Fabrication Of Pathway Materials, And Other Allied Works From 51.80 Km To 64.6 Km Between Triveniganj And Jadia In Connection With Construction Of Araria-Supaul New Line In Samastipur Division Of E.C.Railway.