IISER Entrance Exam

No, IISER registration was over on April 13, 2026. Students were able to register for IAT 2026 from March 5 to April 13.

IAT user id is (application number / registration number). It is created during the IISER registration process. After the registration is over, user id and password are sent to the registered email address and mobile number. 

IISER 2026 counselling registration commenced on July 2, 2026. Candidates had to complete the registration before July 9, 2026.

IISER answer key was released on June 7, 2026. Candidates can download the answer key online. The answer key challenge window was open on June 9, 2026.

The IISER exam date was June 7, 2026. The exam timing was from 9 AM to 12 PM. Candidates had to report to the exam centre by 7 AM. 

IISER score 200 or above is a good marks. It can help to get admission to IISER Pune and IISc Bangalore. Candidates must have a good conceptual knowledge, give priority to all four subjects. Prepare for the exam according to the exam syllabus and take mock test to score above 200.

Based on previous year analysis, IAT exam is moderately difficult. It requires strong conceptual knowledge. Students who have prepared properly for exam can easily score good marks.

It is quite difficult for the GEN / OBC category to get admission to IISER with 50 marks. Even the reserved category students have less chance in the later counelling round for admission. To secure admission, students must score above 150 marks.

IISER exam is considered of moderate difficulty level. Majority of students finds Physics, and Mathematics challenging. PCM students may find biology tough while PCB students might find Mathematics tough. However, the difficulty level of IISER compared to JEE Main and Advanced is moderate to easy.