IGRS AP - Check Encumbrance Certificate ( EC ), Certified Copy (CC), Market Value of Land, and Prohibited Properties List online via the IGRS Andhra Pradesh Portal. Learn how to navigate the IGRS AP portal that helps calculate stamp duty , view EC and lodge grievances related to property transaction. loginDashboard Stockholding MIS Report Grant Approval Report MIS Report Department Login Reports Uploads Sri. Nara Chandrababu Naidu Hon'ble Chief Minister Andhra Pradesh REGISTRATION & STAMPS DEPARTMENT GOVERNMENT OF ANDHRA PRADESH Sri. Anagani Satya Prasad Hon'ble Minister for Revenue, Registration & Stamps Help Desk? Dial 14544