Design & Construction Of Broad-gauge Single Line Railway Siding Between Balaramapuram Railway Station On Southern Railway To Vizhinjam International Seaport Including Civil Engineering Works Comprising Of A 9 Km Long Tunnel, 0.43 Km Long Adit, Their Associated E&m Works, Earthwork In Cutting/embankment And Bridges In Approaches, Permanent Way Works Including Blt In Tunnel, Over Head Electrical Traction Works, Associated Power Supply Installation Works, General Electrical Works, Signalling & Telecommunication, Integrated Tunnel Communication, Pa System And Video Surveillance System Works Etc., Complete, In The State Of Kerala, Project Chainage : Km (-)1.200 To Km (-) 10.708 I.e., Length: 9508 M On Engineering, Procurement & Construction (epc) Basis.