13.11142 80.13126 20 Asia/Kolkata Tamil Nadu Tamilnadu Housing Board Road Tamilnadu Housing Board Road 600109 Tamil Nadu IN Ayapakkam India 13.11142 80.13126 tertiary 0.000 1 Ayapakkam IN Tamil Nadu Tamil Nadu Tamil Nadu India 600109 Tamilnadu Housing Board Road 13.11142 80.13126 tertiary 0.000 1 CHENNAI-COJWX ANNANUR-COJWX 4856335386055 6 administrative Ambattur boundary 66 administrative Ambattur boundary