but mostly train introduced CHENNAI CENTRAL ONLY but tamilnadu major cities are missed, Tamilnadu 2nd Highest collection coimbatore ( 125crore) but poor train service, anothermadurai, trichy, nagercoil, tirunelveli, rameswaram, tuticorin, very poor rail service, chennai not only tamilnadu, every train was heavy waiting list, but not proper train service.cbe-mas, mas- mdu.mas-ten, mas-ten, mas-tn, mas- rmm, train service increasing sure good profit in SR.