Starting from NH66 intersection in Kundanoor Junction at Maradu, Kochi, Ernakulam, Kolenchery, Muvattupuzha, Kothamangalam, Neriamangalam, Adimali, Munnar, Devikulam, Poopara in Kerala. -> Bodi, Theni, Andippatti, Usilampatti, Madurai, Thiruppuvanam, Sivagangai, Kalayarkoil, and ending at Thondi[1] at NH32 intersection in Tamil Nadu.