6IISER 2026 Application Form will be released online on the official website in the third week of March 2026, tentatively. Interested candidates satisfying the IISER eligibility criteria 2026 will be able to fill out the registration form in the timeline mentioned by the exam officials.
Candidates will be required to make their registrations through the registered account on the official website. The IAT application form 2026 will be divided into many steps where aspirants need to fill in the basic details, like personal and educational information, exam city preferences, and upload the IISER 2026 documents required. Final submission of the application form will be accepted by paying the registration fee for the IISER Exam 2026.
Candidates can read this SciAstra exam page to get insight on how to fill the IISER application form 2026, fee details, documents required, the application correction window, editable and non-editable fields, and other details:
Table of Contents
IAT 2026 Exam Dates
Since IAT 2026 admission dates are yet to be announced by the exam officials, candidates can check out the previous year’s dates from here for reference:
| IISER Entrance Exam Dates 2026 | Event Date (Tentative) |
|---|---|
| IISER 2026 Exam Notification | Jan 25, 2026 – Jan 31, 2026 |
| IISER Exam 2026 Registration Date | March 10, 2026 to April 15, 2026 |
| IISER Admit Card 2026 | May 15, 2026 |
| IISER Exam 2026 | May 25, 2026 |
| IISER Provisional Answer Key 2026 | May 25, 2026 |
| IISER Exam Student Response Sheet 2026 | May 29, 2026 |
| IISER Final Answer Key 2026 | June 24, 2026 |
| IISER Result 2026 | June 24, 2026 |
How to Fill IISER Application Form 2026
Candidates can check out the steps that one need to follow for successful registration of the IAT 2026 application form:
Step 1: Registration at IISER Admission Portal
At first candidates need to visit the official website and need to register themselves at iiseradmission.in. Username and Password will be generated upon successful registration.
Step 2: Fill out IAT 2026 Application Form
Through the registered account, candidates are required to fill out the application form in online mode. Below are details asked by the officials to fill in:
- Personal details like name, DOB, religion, category, disability, etc.
- Educational details like subject-wise marks achieved, percentage of marks in class 12, name of the board, etc.
- Filling of exam city preference.
- Upload of documents like a photograph, signature, class 12 marksheet, and category certificate in the required dimensions.
Step 3: Pay IISER 2026 Application Fee
To successfully submit the application form, candidates will need to pay the registration fee via online mode, like credit card/debit/online banking or UPI payments. Check out the registration fee category-wise from below:
| Category | IISER Application Fee |
| General/ OBC | Rs 2,000 |
| SC/ST/ Kashmiri Migrants/ PwD | Rs 1,000 |
Step 4: Download the Application Form
Upon successful submission of the application form, candidates are required to download the registration form and save it for future use.
Also Read:
Documents Required for IISER Application Form 2026
Check out the list of documents that are required and their dimensions, which they are required to be uploaded on the registration portal from here:
- Class 10 pass-out certificate/ marksheet
- Class 12 marksheet
- If the candidate is appearing for the exam and doesn’t have the mark sheet, they can upload the declaration form- “Declaration by the candidate instead of eligibility exam certificate.”
- Passport-size photograph
- Signature of the candidate.
- ID proof (Aadhar Card, driving license)
- Caste Certificate.
IAT 2026 Registration: Document Size Details
During the online application, candidates will have to upload digital copies of their forms / certificates. The acceptable file sizes are mentioned below:
- Photograph Upto 200 KB
- Signature Upto 200 KB
- Photo ID 200KB- up to 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
