IISER IAT application registration window 2026 underway: Check steps to apply here

The IISER Aptitude Test (IAT) 2026 application process began on March 5, with the exam scheduled for June 7 and registrations closing on April 12. Candidates meeting strict eligibility criteria—Class XII or equivalent between 2024 and 2026 with required marks—can apply online by completing registration, uploading documents, selecting centres, and submitting the form.