Aden/central Sub Division:- (i):- Proposed Conversion Of Swp Into Lwr For A Length Of 10.967 Km At Various Station Yards In Sse/pway/ Bg/mdu,mg/mdu,mnm & Adpt Section.(ii):-through Fittings Renewal (plain Track) Of Main Line In Sse/pway/mg/mdu & Mnm Jurisdiction. (iii):-through Fittings Renewal (plain Track) Of Loop Line And Other Lines At Various Station Yards In Sse/pway/bg/mdu,mg/mdu,mnm & Adpt Jurisdiction. (iv) Through Rail Renewal (secondary) For A Length Of 2.445 Km At Various Loop Lines In Madurai Station Yard.(v) Deep Screening By Ballast Cleaning Machine For A Length Of 31.00 Km At Isolated Locations Between Km:-439.300 To 482.800 On Up Main Line In Between Station Dg-ser In Sse/p.way/bg/mdu Section."