Last Updated on June 28, 2026 by Prime Desk
Candidates Can Now Check Responses and Estimate Scores Before Final Results
The Indian Institutes of Science Education and Research (IISER) have published the provisional answer key for the IISER Aptitude Test (IAT) 2026. Students who appeared for the national-level entrance examination can now access the answer key through the official admission portal and evaluate their performance before the declaration of results.
The answer key was released shortly after the examination concluded on June 7, giving candidates an early opportunity to compare their responses and estimate their likely scores.
IISER IAT 2026 Answer Key Now Available
The IISER Aptitude Test serves as the gateway for admission to several undergraduate science and technology programmes offered by IISER campuses across the country.
Candidates who took the examination can now review the provisional answer key issued by the institute. The document includes answers to the multiple-choice questions asked in the entrance test.
The examination covered four major subjects:
- Biology
- Chemistry
- Mathematics
- Physics
Since the released document is provisional in nature, candidates are advised to verify all responses carefully and stay updated regarding any objection window announced by the authorities.
Entrance Test Held on June 7
The IISER Aptitude Test 2026 was conducted in a single morning session on June 7. Thousands of students from across India appeared for the examination seeking admission to prestigious science education programmes.
The test is an important step for students aiming to pursue higher education in research-oriented fields at IISER institutions.
Courses Offered Through IAT 2026
Admissions through the IISER Aptitude Test are available for various undergraduate programmes, including:
BS-MS Dual Degree Programmes
The flagship integrated Bachelor of Science and Master of Science programmes offered by IISER campuses.
Bachelor of Science (BS) Programmes
Specialised undergraduate science courses offered at select institutes.
Bachelor of Technology (BTech) Programmes
Technology-focused programmes available through participating IISER campuses.
How to Download IISER IAT Answer Key 2026
Candidates can follow these steps to access the provisional answer key:
Step 1
Visit the official IISER admission portal.
Step 2
Locate the link related to the IAT 2026 provisional answer key on the homepage.
Step 3
Log in using the required credentials if the portal requests authentication.
Step 4
Open the answer key PDF and review the responses.
Step 5
Compare the answers with your recorded responses to estimate your probable score.
What Happens After the Provisional Answer Key?
The release of the provisional answer key marks an important stage in the admission process.
Students should carefully examine the answers and check for any discrepancies. If IISER opens an objection facility, candidates may be allowed to submit challenges within the specified period.
After reviewing all objections, the institute is expected to publish the final answer key. The final result will be prepared on the basis of the revised answer key, wherever applicable.
Candidates qualifying in the examination will move to the next stage of the admission process, including counselling and seat allocation.
IISER IAT 2026 Provisional Answer Key Link (Active) – Click to Check
Important Detail’s
- IISER has published the provisional answer key for IAT 2026.
- The entrance examination was conducted on June 7 in a single shift.
- Candidates can now estimate their expected scores before result declaration.
- The answer key covers Biology, Chemistry, Mathematics and Physics sections.
- Admissions through IAT 2026 are offered for BS-MS, BS and BTech programmes.
- A final answer key will be issued after the review of objections, if any.
- Qualified candidates will participate in the admission and counselling process.
For students awaiting admission to IISER campuses, the provisional answer key provides the first official indication of performance after the examination.
It helps candidates assess their chances of qualification, understand their expected score range, and prepare for the next stages of the admission process. Early score estimation also reduces uncertainty while students wait for the final result announcement.
