
The Indian Institutes of Science Education and Research (IISER) has opened undergraduate admissions for the 2026 session, with registrations starting on March 5, 2026, via iiseradmission.in. The IISER Aptitude Test (IAT) 2026, scheduled for June 7, emphasises conceptual understanding and problem-solving in physics, chemistry, mathematics, and biology. Students are advised to prepare strategically using mock tests and past papers.