12.78725 80.22161 9 Asia/Kolkata Kelambakkam IN Kancheepuram, Tamil Nadu Kelambakkam IN Kancheepuram, Tamil Nadu 0.1 12.80670 80.21640 2.235 CHINGLEPUT-ZNRNH KELAAM-ZNRNH 4856393409589 6 administrative Tiruporur boundary 55 administrative Chengalpattu district boundary 66 administrative Tiruporur boundary