IIT Guwahati has commenced online registration for JEE Advanced Architecture Aptitude Test (AAT) 2023, open to. candidates who qualified in the JEE Advanced 2023 test. The doorway closes on June 19, 2023, with the AAT test to be conducted on June 21, 2023. Students selected through JEE AAT will be given admission to B.Arch courses offered by IIT Roorkee, IIT Bombay, and IIT BHU. The process involves visiting the official website, logging in, filling out the registration form, and downloading/printing the confirmation page.