12.91691 80.1451 29 Asia/Kolkata Tamil Nadu Camp Rd Camp Rd 600073 Tamil Nadu IN Tambaram India 12.91690 80.14500 secondary 0.011 0.9 Tambaram IN Tamil Nadu Tamil Nadu Tamil Nadu India 600073 Camp Rd 12.91690 80.14500 secondary 0.011 0.9 CHENNAI-NIIRD SELAIYU-NIIRD 4856340306509 6 administrative Tambaram boundary 55 administrative Chengalpattu district boundary 66 administrative Tambaram boundary Agaram Main Rd Camp Rd 12.91716 80.14533 0.046 Chennai Tamil Nadu 600073 19 Agaram Main Rd 0.046 12.91716 80.14533