Doubling Of Track Between Thiruvananthapuram And Kanyakumari. Proposed Manual Linking Of Track, Transportation Of P.Way Materials, Leading And Insertion Of Ballast, Welding Of Track, Modification Of Level Crossings, Regrading Of Track And Miscellaneous Works Between Neyyatinkara Excl And Parassala Incl Stations From Km 238/300 To Km 250/100.