The Indian Institute of Science Education and Research (IISER) has commenced the application process for the IISER Aptitude Test (IAT) 2024 today, April 1. The IAT acts as the gateway for admission to the five-year (dual degree) programme for science students and the four-year BS degree programme for engineering sciences and economic sciences (offered exclusively at IISER Bhopal) The last date to apply is May 13. The application correction window will remain open on May 16 and 17.