Enter your PTIN/ASMT (Property Tax Identification Number) to check the Dues. Property Tax Payment By Door Number. For any specific information about Corruption and Malpractices in any of the dealings in this Organization, Public are requested to contact the Chief Vigilance Officer at his official E-mail id ceocmda @tn.gov.in. Postal Address. Chennai – 600 008. CMA comprised of Greater Chennai Corporation, Avadi Corporation, Tambaram Corporation, 5 Municipalities & 3 Town Panchayats and 10 Panchayat Unions (comprising of 179 villages) with a total extent of 1189 sq.km. under Chennai District and parts of Thiruvallur, Kancheepuram. Chennai Metropolitan Development Authority Masterplan Land Use Maps