“Tender for providing Electrical and Mechanical Facility Maintenance Services in Eleven Underground metro stations and its associated tunnels (CORRIDOR-2: Tirumanagalam to Chennai Central & PHASE-1 EXTENSION: Thiyagaraya College to Tondiarpet), Seven Elevated Metro Stations (PHASE-1 EXTENSION: New Washermenpet to Wimco Nagar Depot Station), and One Elevated Depot (Wimco Nagar)”.