IISER Previous Year Question Papers: Download Hindi, English Medium PDFs

IAT Previous Year Question Paper: The IISER Aptitude Test 2026 is scheduled to be held on June 7, 2026, at various exam centres across the nation. Soon after the successful conduct of the exam, the IISER 2026 question paper will be released by the exam officials.

While preparing for the IAT 2026 exam, which carries questions that test candidates' analytical and practical skills in the respective subjects, one must thoroughly understand the type of questions asked. Here, preparing through IAT previous year question papers plays an important role for the test takers.

Aspirants need to have a clear understanding of the exam pattern, question trends, and difficulty level for effective IISER 2026 preparation. One of the most reliable and proven ways to achieve the desired score is by practising the IAT previous year question papers.

By solving the IAT last 10 years’ question papers, candidates can align their preparation strategy with the actual demands of the examination. Read this SciAstra blog to gain complete insight into the IAT's past 10 years’ question papers, solution PDFs, steps to access the question papers, and other important details.

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IAT Question Paper Highlights

IISER Aptitude Test will be conducted to test a candidate's domain knowledge, critical understanding in subjects like mathematics, Physics, Chemistry and Biology in the form of MCQ questions. Candidates can check out the IISER question paper highlights section from here:

Also Read: How to Prepare for IAT and NEST Together?

IISER 2026 Question Paper

IISER 2025 exam is all set to be conducted on June 7, 2026 at multiple exam centres across the nation. As per the IAT 2026 shift timings, the exam is scheduled to be held from 9 am to 12 pm. As per the dates mentioned on the official website, IISER 2026 provisional answer key will be released on the same day after the successful conduct of the examination.

The answer key will just not have the correct answers, but also the complete question paper set. Therefore, IAT 2026 question paper will be released online on the official website on June 7, 2026. Once the question paper is released, it will be notified here:

Note: Students who prefer learning concepts fully in English & Hinglish can join the English Crash Course & Hinglish Crash Course.

IISER Previous Year Question Papers

The IAT 2026 exam will assess the candidate’s domain knowledge, conceptual clarity, analytical thinking, and problem-solving abilities in the subjects of Physics, Chemistry, Mathematics, and Biology. By going through the IISER previous year question papers, candidates will get insight into the distribution of questions across subjects, the weightage of important topics, and the recurring concepts that frequently appear in the exam.

It will also help the aspirants to understand the level of numerical complexity and conceptual depth expected in IAT, which is supposed to be often higher than standard board-level examinations. Check out the IAT previous year question papers from here:

IISER 2025 Question Paper

Check out the IAT 2025 question paper from here:

IISER Past 10 Years Question Papers

Incorporating the past 10 years’ IISER question papers into your daily study routine can make a big difference in your preparation. It not only builds confidence but also helps ease last-minute exam stress and helps in understanding the IISER 2026 exam pattern. Practising these papers regularly allows you to get comfortable with the actual exam pattern and environment. For serious IISER aspirants, previous year papers serve as a clear roadmap for structured preparation and can greatly improve your chances of performing well in this competitive entrance exam.

How to Download IAT Previous Year Question Papers

Downloading IAT previous year question papers is simple if you follow the right steps. Here’s a clear and practical guide:

1. Visit the Official Website: Go to the official IISER admissions portal – Indian Institutes of Science Education and Research admission website (iiseradmission.in).

2. Navigate to the Relevant Section
   Look for sections like:

   • “Downloads”

   • “Previous Year Papers”

   • “Question Papers / Answer Keys”

3. Select the Desired Year
   Choose the year for which you want the question paper (e.g., 2025, 2024, 2023).

4. Click on the PDF Link
   Click on the available link for the question paper or answer key.

5. Download and Save
   The file will open in PDF format. Download and save it for offline practice.

Best SciAstra Books for IAT 2026

SciAstra books are specifically designed for IAT, unlike traditional books, which focus on JEE or NEET. Aspirants preparing for the NEST 2026 and IAT 2026 exams can check out the best SciAstra books from here: