12.92228 80.14164 29 Asia/Kolkata IN Velachery - Tambaram Main Road Velachery - Tambaram Main Road 600073 IN IN Selaiyur India 12.92230 80.14160 0.005 1 Selaiyur IN IN IN IN India 600073 Velachery - Tambaram Main Road 12.92230 80.14160 0.005 1 CHENNAI-NIPYD SELAIYU-NIPYD 4856340311423 6 administrative Tambaram boundary 55 administrative Chengalpattu district boundary 66 administrative Tambaram boundary