12.67751 79.99748 51 Asia/Kolkata Tamil Nadu Madras Thiruttani Road Madras Thiruttani Road 600007 Tamil Nadu IN Ālappākkam India 12.67751 79.99748 primary 0.000 1 Ālappākkam IN Tamil Nadu Tamil Nadu Tamil Nadu India 600007 Madras Thiruttani Road 12.67751 79.99748 primary 0.000 1 CHINGLEPUT-NYVWK ALAPPAKKAME-NYVWK 4856388122154 6 administrative Chengalpattu boundary 55 administrative Chengalpattu district boundary 66 administrative Chengalpattu boundary