12.77391 80.0091 54 Asia/Kolkata Tamil Nadu Grand Southern Trunk Road Grand Southern Trunk Road 603204 Tamil Nadu IN Singaperumal Koil India 12.77350 80.00910 trunk 0.046 0.9 Singaperumal Koil IN Tamil Nadu Tamil Nadu Tamil Nadu India 603204 Grand Southern Trunk Road 12.77350 80.00910 trunk 0.046 0.9 CHINGLEPUT-QKYQA TIRURIN-QKYQA 4856389248880 6 administrative Chengalpattu boundary 55 administrative Chengalpattu district boundary 66 administrative Chengalpattu boundary