The Indian Institutes of Science Education and Research (IISER) has officially released the provisional answer key for the IISER Aptitude Test (IAT) 2026. Candidates who appeared for the entrance examination can now access and download the answer key through the official admission portal. The answer key has been made available shortly after the completion of the examination, allowing candidates to estimate their probable scores before the declaration of results. The IISER Aptitude Test 2026 was conducted on June 7 from 9:00 AM to 12:00 PM in a single shift.
Key Highlights
- IISER IAT 2026 provisional answer key released.
- Candidates can download it from the official admission portal.
- IAT 2026 examination was held on June 7, 2026.
- Exam timing was 9:00 AM to 12:00 PM.
- Response sheets will be released on June 9, 2026.
- Objection facility will also be activated on June 9.
- Final answer key will be prepared after reviewing challenges submitted by candidates.
- Answer key helps candidates estimate their probable scores.
More Info
The IISER Aptitude Test (IAT) serves as the gateway for admission to various undergraduate programmes offered by participating IISER institutions. Through IAT 2026, admissions are being conducted for:
- BS-MS Dual Degree Programmes
- Bachelor of Science (BS) Programmes
- Bachelor of Technology (BTech) Programmes
Candidates can compare their responses with the provisional answer key and assess their likely performance in the examination before the official results are announced.
How to Download IISER IAT 2026 Answer Key
- Visit the official IISER admission website.
- Click on the “IAT 2026 Provisional Answer Key” link available on the homepage.
- Log in using your credentials if required.
- The provisional answer key will appear on the screen.
- Compare the answers with your attempted responses.
- Download the answer key PDF.
- Save a copy for future reference.
Benefits of the Provisional Answer Key
The provisional answer key enables candidates to:
- Estimate expected scores before result declaration.
- Verify the correctness of marked answers.
- Identify possible discrepancies in the answer key.
- Prepare objections with supporting evidence if required.
- Gain clarity about their admission chances.
Response Sheet Release
According to the admission schedule, IISER will release candidate response sheets on June 9, 2026. The response sheet will contain the answers recorded by candidates during the examination. Candidates can use it alongside the provisional answer key for accurate score calculation.
Objection Window
The objection facility will also open on June 9. Candidates who find any discrepancy in the provisional answer key can submit objections through the official portal. The examination authority will review all challenges before publishing the final answer key.
Programmes Offered Through IAT 2026
Admissions through IAT 2026 are available for:
- Five-Year BS-MS Dual Degree Programmes
- Four-Year BS Programmes
- BTech Programmes in participating institutions
These programmes are offered across various IISER campuses and participating institutions.
What’s Next
After reviewing the provisional answer key:
- Download and verify the answer key.
- Wait for the release of response sheets on June 9.
- Calculate your tentative score.
- Raise objections if discrepancies are found.
- Track updates regarding the final answer key.
- Await result declaration and admission counselling schedule.
Candidates are advised not to miss any official notifications released through the admission portal.
Quick Reference Summary
| Particulars | Details |
| Exam Name | IISER Aptitude Test (IAT) 2026 |
| Conducting Authority | IISER Admissions |
| Exam Date | June 7, 2026 |
| Exam Timing | 9:00 AM to 12:00 PM |
| Answer Key Status | Released |
| Answer Key Type | Provisional |
| Response Sheet Release | June 9, 2026 |
| Objection Window | June 9, 2026 |
| Official Website | iiseradmission.in |
Frequently Asked Questions
| When was the IISER IAT 2026 answer key released? |
| The provisional answer key was released shortly after the examination conducted on June 7, 2026. Candidates can access it through the official admission portal. |
| Where can I download the IISER IAT 2026 answer key? |
| Candidates can download the answer key from the official IISER admission website at iiseradmission.in after logging into their account if required. |
| What is the purpose of the provisional answer key? |
| It helps candidates estimate their expected scores, verify responses, and identify any possible errors before the final answer key is issued. |
| When will the IISER IAT 2026 response sheet be released? |
| The response sheet will be made available on June 9, 2026, through the official admission portal. |
| Can candidates challenge the provisional answer key? |
| Yes. Candidates can submit objections through the objection facility that will be activated along with the response sheets. |
| What happens after objections are submitted? |
| The examination authority reviews all valid challenges and then prepares the final answer key based on expert evaluation. |
| Which programmes are offered through IAT 2026? |
| Admissions are available for BS-MS Dual Degree, BS, and BTech programmes offered by participating institutions. |
| Should candidates keep a copy of the answer key PDF? |
| Yes. Candidates should download and save the answer key for score estimation, objection filing, and future reference. |
The release of the IISER IAT 2026 provisional answer key marks an important step in the admission process. Candidates should immediately download the answer key, compare their responses, and estimate their likely scores. With response sheets and the objection window opening on June 9, aspirants will get an opportunity to verify recorded answers and challenge any discrepancies before the final answer key is released. Regularly checking the official admission portal will help candidates stay updated on all upcoming announcements related to results and counselling, for more details and check CLICK HERE
