TNGO Colony Extension is an neighbourhood in TNGO Colony, Adambakkam, Chennai south, Chennai, Chennai District, Tamil Nadu, India. Adambakkam (0.0 Km), Madipakkam (2.88 Km), Velachery (2.91 Km), Alandur (3.0 Km), Nanganallur (3.29 Km) are the nearby areas to TNGO Colony Extension. Ramapuram, Chennai, Meenampakkam are the nearby cities to TNGO Colony Extension.