13.11038 80.13106 19 Asia/Kolkata Tamil Nadu Tamilnadu Housing Board Road Tamilnadu Housing Board Road 600109 Tamil Nadu IN Chennai India 13.11096 80.12901 tertiary 0.231 0.9 Chennai IN Tamil Nadu Tamil Nadu Tamil Nadu India 600109 Tamilnadu Housing Board Road 13.11096 80.12901 tertiary 0.231 0.9 CHENNAI-COLHG REDYAM-COLHG 4856335387000 6 administrative Ambattur boundary 66 administrative Ambattur boundary