Exam officials released the IAT 2025 answer key on May 25, 2025 after the successful conduct of the examination. Test takers will be able to tally their score from the released answer key.
At first the exam officials will release the IISER 2025 provisional answer key and is subject to raise objection
Upvote 
Similar Questions for you
IISER answer key will be released on June 7, 2026. Candidates can download the answer key online. The answer key challenge window will open on June 9, 2026.
The IISER exam date is June 7, 2026. The exam will commence at 9 AM and continue till 12 PM. It is a computer-based test.
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.
Taking an Exam? Selecting a College?
Get authentic answers from experts, students and alumni that you won't find anywhere else.
On Shiksha, get access to
Learn more about...
IISER Entrance Exam 2026
View Exam DetailsDidn't find the answer you were looking for?
Search from Shiksha's 1 lakh+ Topics
Ask Current Students, Alumni & our Experts
Have a question related to your career & education?
See what others like you are asking & answering