The full form of AAT is Architecture Aptitude Test. AAT is a national level aptitude test conducted by IITs every year for admission to BArch courses of IIT Kharagpur and IIT Roorkee. This year IIT Delhi conducted the exam.

Candidates who qualify AAT can fill their AAT-specific choices in JoSAA portal starting from Oct 11, 2020 after declaration of AAT result.