Proposed Construction Of Sub Sectioning And Parallel Post (Ssp) Control Rooms At Periyakottai (Pyk), Arantangi (Atq), Ayingudi (Ayi), Peravurani (Pvi), Adirampattinam (Amm), Mutupet (Mtt) And Tillaivilagam (Tam) (Seven Stations), Traction Sub Station (Tss) Control Room And Ohe Maintenance Depot At Pattukkottai (Pkt) Station, Rcc Retaining Wall And Earth Filling At Tiruturaipundi Jn. &Amp Pattukkottai Stations In Tiruturaipundi Karaikudi Section (Excluding Tiruturaipundi Station) Tiruchchira