12.94754 80.13724 26 Asia/Kolkata Tamil Nadu Grand Southern Trunk Road Grand Southern Trunk Road 600047 Tamil Nadu IN Pallavaram India 12.94800 80.13590 40 0.154 0.9 Pallavaram IN Tamil Nadu Tamil Nadu Tamil Nadu India 600047 Grand Southern Trunk Road 12.94800 80.13590 40 0.154 0.9 CHENNAI-NNXCX CHROMPET-NNXCX 4856340404159 6 administrative Pallavaram boundary 55 administrative Chengalpattu district boundary 66 administrative Pallavaram boundary