The IISER Aptitude Test 2026 application form will only be accepted by the exam officials if the candidates submit the list of documents required for IAT 2026 admission. The application window for registration is expected to open in March 2026.
IISER 2026 registration is expected to commence in the second week of March 2026. The link to apply for the IISER Aptitude Test will be updated on the official website. The steps to apply online are registration, form filling, and payment of exam fees. While filling the form, students have to upload a few documents. Students must keep the documents handy in the prescribed format before filling the application form for IISER 2026.
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The registered students can appear for the IISER entrance exam 2026. The registration notice will be released soon. Check the article to know the list of documents required for IISER 2026 to apply online.
- IISER Entrance Exam 2026 Dates
- IISER 2026 Application Form: Documents Required
- IISER Entrance Exam 2026: Photograph Upload Dimensions
- IISER Application Form 2026: Signature Upload Dimensions
- IAT 2026 Registration: Documents Size Details
- How to fill IISER 2026 Application Form
- IISER 2026 Eligibility Criteria
IISER Entrance Exam 2026 Dates
The portal for document upload and freezing of IISER preferences for IISER 2026 Admissions is expected to begin in the month of July 2026, tentatively. After accepting the offer and paying the seat acceptance fee, the candidate can exercise two options:
- Candidate can FREEZE the seat (they will not participate in further rounds of counselling),
- Candidate can FLOAT (they will participate in further rounds of counselling to get their higher preferences). The FLOAT option is activated by default for those who pay the seat acceptance fee. A student who has chosen to FLOAT will again be considered for seat allocation in the next round. If they are eligible to secure a seat in an IISER that is higher in their preference list than the currently accepted one, they will be offered that seat.
IISER Entrance Exam centres are located in cities across India. The exam is not conducted outside India. In case there is a change this year, it will be updated here.
Candidates can check out the IAT 2026 exam dates from here:
| IISER Entrance Exam 2026 Events | IISER 2026 Dates |
|---|---|
| IISER Entrance Exam 2025 Application Form Start Date | Second week of March 2026 |
| IISER Entrance Exam 2026 Application Form End Date | Second week of April 2026 |
| IISER Entrance Exam 2026 Application Form Correction Window | Third week of April 2026 |
| IISER Entrance Exam 2026 Admit Card | Third week of May 2026 |
| IISER Entrance Exam Date 2025 | Fourth week of May 2026 |
IISER 2026 Application Form: Documents Required
Here is the list of candidates required while filling out the IAT 2026 application form:
- Class 10 Board exam or equivalent Marksheet or Pass Certificate
- Class 10 Board exam or equivalent Marksheet or Pass Certificate
- If the class 12 Board exam or equivalent) Marksheet is not available now, then you can instead upload a signed declaration form - “DECLARATION BY THE CANDIDATE IN LIEU OF ELIGIBILITY EXAM CERTIFICATE/MARKSHEET”. Fill in the form, sign it, scan it and then upload.
- Candidate's Photograph
- Candidate's Signature
- ID proof with photo (Aadhaar Card, driving license, etc.)
-
Category Certificate (if applicable).
Also Read: IISER Aptitude Test Physics Syllabus 2025: Check Topic-wise Complete Syllabus Here
IISER Entrance Exam 2026: Photograph Upload Dimensions
The photograph must match your appearance on the day of the examination in the following dimensions:
| Specifications | Details |
|---|---|
| Dimensions | passport-sized photograph of the face of the candidate |
| Colour of the Image | The photograph must be recent and must be in COLOUR. Photographs of poor resolution taken using a mobile phone and other self-composed portraits may result in the rejection of the application. |
| Format | The photograph is required in JPEG/JPG format and must be of size 3.5 cm × 4.5 cm (Width × Height). |
| Maximum and Minimum Pixel | The file size of the image should be in the range of 10 kB to 200 kB. |
| Background | The background of the photograph must be white or a very light colour.
|
Note: The Candidate has to upload only his/her own photograph and signature in the format as mentioned above (and not of anybody else) in a correct/proper manner.
Also Read: IISER Biology Syllabus 2025: Check Class 11 and Class 12 NCERT Biology Syllabus Here
IISER Application Form 2026: Signature Upload Dimensions
While uploading the signature of the candidate, the following details need to be kept in mind:
| Specifications | Details |
|---|---|
| Dimensions | Draw a rectangular box of size 2 cm x 7 cm (Height x Width) on a white paper. Sign with a black or dark blue ink pen completely within this box horizontally. |
| Image Format | JPEG/JPG |
| File size range | The file size of the image should be in the range of 5 kB to 100 kB |
IAT 2026 Registration: Documents Size Details
During the online application, candidates will have to upload digital copies of forms or certificates. The acceptable file sizes are mentioned below:
- Photo ID 200KB- upto 1 MB
- Caste Certificate 200KB- upto 1 MB
- 10th Marksheet 200KB- upto 1 MB
- 12th Marksheet 200KB- upto 1 MB
- PwD Certificate 200KB- upto 1 MB
IAT 2026 Application Fee
The application fee is to be paid by the applicant during the submission of the application form.
- INR 2,000 for candidates applying under General, EWS, OBC, and OBC-NCL categories.
- INR 1,000 for candidates applying under persons with disabilities (PwD), persons registered as Kashmiri Migrants/Kashmiri Pandits/Kashmiri Hindu Families (Non-Migrant) and SC/ST category.
- INR 12,000 for candidates applying under the Foreign National category.
Indian Institute of Science Education and Research will announce the IISER 2026 exam date on the website, iiseradmission.in/. Students can check the IAT exam date to know the schedule of important events like registration, entrance exam date, admit card, result, and more.
How to fill IISER 2026 Application Form
Below is the process given for how to fill IISER 2026 online application form.
- Visit the exam website https://iiseradmission.in/
- Click on the online register link.
- Fill in the details asked in the application form correctly.
- Upload scanned images as per the instructions mentioned.
- Pay the application fees through the payment gateway provided.
- Submit the application form and take its printout.
IISER 2026 Eligibility Criteria
To meet the eligibility criteria to appear for the IISER 2026 entrance exam are given below.
-
The candidates must have passed the Class XII or equivalent level examination in 2024, 2025 or 2026 from any board recognised by the Council of Boards of School Education in India.
-
Candidates must have taken at least three subjects among Biology, Chemistry, Mathematics and Physics during their Class 12 Board exam or equivalent.
-
Candidates belonging to reserved categories are required to score a minimum of 55 per cent marks in aggregate or equivalent grade in their Class 12 Board or equivalent examination. Candidates belonging to other categories are required to score a minimum of 60 per cent marks in aggregate or equivalent grade in their Class 12 Board or equivalent examination.
NOTE: The students from the Jammu and Kashmir Board of School Education (JKBOSE), from the Kashmir division/Winter Zone areas of Jammu division and the U.T. of Ladakh, who had appeared in their Class 12 Board or equivalent level examination in December 2022, will also be eligible to apply for the IAT 2026, provided they satisfy the other eligibility criteria.
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Student Forum
Answered 5 days ago
There is no fixed number of entering preference for the IISER Entrance Exam counselling process. There are seven IISER institutes offering 11 programmes. Candidates have to select at least one IISER. Higher the number of preferences, better will be their chance of seat allotment.
N
Beginner-Level 5
Answered 5 days ago
Once the IISER Entrance Exam counselling seat allotment result is declared, candidates have the following options.
- FREEZE: By selecting this option, candidates confirm the acceptance of the offer, and that they will not participate in the next rounds of IISER Entrance Exam counselling.
- FLOAT: Selecti
V
Beginner-Level 5
Answered 5 days ago
Seat Acceptance Fee or SAF is the fee to be paid to accept the allotted seat at a particular round of IISER counselling process. Unless the SAF is paid, candidates will not be considered for admission.
L
Beginner-Level 5
Answered 5 days ago
During the IISER Entrance Exam counselling process, seats are allotted based on the following factors.
- Seats available across IISER institutes in the current round of counselling
- IAT Rank obtained by candidates
- IISER preference given by the candidate
- Candidate category.
Candidates are advised to fill as
A
Beginner-Level 5
Answered 5 days ago
IISER does not conduct the counselling or admission process for IISc Bangalore and IIT Madras through the IAT scores. These institutes conduct their own counselling or admission process. IISER counselling process is conducted only for seven IISER institutes located across India.
P
Beginner-Level 5
Answered 5 days ago
The IISER Entrance Exam counselling process is conducted in online mode. Candidates have to register on the exam website and fill in their institute in course choices in order of preference. Based on that, the seat allotment will be released. They can either 'Freeze' the seat and take admission, or
M
Beginner-Level 5
Answered 5 days ago
The IISER entrance exam scores are accepted by 11 IISER institutes across India. Apart from that, IISc Bangalore and IIT Madras also consider the scores for admission to BS courses offered by them.
P
Beginner-Level 5
Answered a week ago
Passed 10+2 from a recognised board in 2024, 2025, or 2026 with minimum 60% marks in aggregate (55% for SC /ST /PwD students) are eligible to apply for IISER exam 2026. Candidates must have taken any three subject among Physics, Chemistry, Mathematics, and Biology in class 12.
V
Contributor-Level 8
Answered a week ago
Indian Institute of Science Education and Research will announce the IISER 2026 exam date on the website, iiseradmission.in/. Students can check the IAT exam date to know the schedule of important events like registration, entrance exam date, admit card, result, and more.
V
Contributor-Level 8
Answered a week ago
No, the admit card for IAT 2026 has not released. The exam authority is expected to release the IISER Aptitude Test admit card 2026 in May 2026. The link to download the admit card will be updated on the IISER admission 2026 website.
V
Contributor-Level 8

IISER Entrance Exam 2026 notification is expected to be released by the conducting IISER in the second week of March 2026. The exam is conducted for admission to the five-year BS-MS dual degree and four-year BS degree programmes. The IISER Entrance Exam 2026 will be conducted tentatively in the fourth week of May 2026.