Tender No: Security Services/Stage-1&2B/2018: Tender for providing Security Services (Skilled and Trained Manpower) for Stage-1 Seven Metro Stations (viz. Koyambedu, CMBT, Arumbakkam, Vadapalani, Ashok Nagar, Ekkattuthangal and Alandur) and Stage-2b Ten Metro Stations (viz. SAIDAPET Metro, Nandanam, Teynampet, AG-DMS, Thousand Lights, LIC, Government Estate, High Court, Mannadi and Washermenpet)