IGRS AP - Check Encumbrance Certificate (EC), Certified Copy (CC), Market Value of Land, and Prohibited Properties List online via the IGRS Andhra Pradesh Portal. IGRS AP stands for the Inspector General of Registration and Stamps Andhra Pradesh. This is the official government department responsible for managing property registrations, collecting stamp duties, and providing public access to land records and related services in the state of Andhra Pradesh. Dial 14544. Asking bribe? Dial 14400. Copyright © All rights reserved with Registration & Stamps Department, Government of Andhra Pradesh. The IGRS Andhra Pradesh ( Integrated Government Revenue System ) is a digital platform that has processed over 10 million property registrations since its launch. It enables online document searches, stamp duty calculations, and digital access to registered deeds, reducing processing time by 70%.