IAT 2026 Application Form Correction (Link Active): Know Editable and Non Editable Fields Here
Indian Institutes of Science Education and Research Entrance Exam 2026 ( IISER Entrance Exam )
Response Sheet
9 Jul '26 - 13 Jul '26
IISER Exam 2026 Application Correction Window is open for rectifying the incorrect details filled by the candidates. IISER Exam Application Correction Form 2026 was available for candidates to edit the details on April 16, 2026. This Shiksha article provides the IISER Exam application correction information.
IISER Exam Application Form Correction 2026
IISER 2026 form correction process started on April 16. The form correction link was updated on this page. Candidates must read the instructions carefully before editing the IISER application form. Complete changes to the filled form were not allowed. Details like name, dob, gender, citizenship, mobile number, and email are non-editable. The last date for IAT form correction was April 18, 2026. Check the page to know about the IAT application form correction 2026 in detail.
Also Read: IISER Application Correction 2026 Link Activated; Know how to edit
- IISER Entrance Exam 2026 Events
- Also Read: IISER 2026 application fee for GEN, OBC, EWS, SC, and ST
- IISER Exam 2026 Application Correction Window: How to Modify Details
- IISER 2026 Exam Highlights
- IISER Exam 2026 Application Form: Editable and Non-Editable Fields
- IISER Exam 2026 Application Correction Window: Things to Remember
IISER Entrance Exam 2026 Events
The authority has announced IISER entrance exam 2026 dates online. Candidates can check the IAT important dates 2026 to know the schedule for the events like registration, entrance exam, admit card, and result. The exam date for IISER 2026 is updated below.
| IISER Entrance Exam 2026 Events | IISER 2026 Tentative Dates |
|---|---|
| IISER Entrance Exam 2026 Application Form Start Date | March 5, 2026 |
| IISER Entrance Exam 2026 Application Form End Date | April 13, 2026 |
| IISER Entrance Exam 2026 Application Form Correction Window | April 16 to 18, 2026 |
| IISER Entrance Exam 2026 Admit Card | May 24, 2026 |
| IISER Entrance Exam Date 2026 | June 7, 2026 |
| IISER Entrance Exam 2026 Answer Key | June 7, 2026 |
Also Read: IISER 2026 application fee for GEN, OBC, EWS, SC, and ST
Commonly asked questions
IISER exam is considered of moderate difficulty level. Majority of students finds Physics, and Mathematics challenging. PCM students may find biology tough while PCB students might find Mathematics tough. However, the difficulty level of IISER compared to JEE Main and Advanced is moderate to easy.
IISER entrance examination is considered to be one of the finest and the toughest exams under Science stream undergraduate entrance examination as it provides the BSMS dual degree in the most reputed and research-oriented institutions across the country which is IISERs. On a comparison note, candidates will find the examination tougher than JEE Main exam, but below JEE Advanced. Unlike JEE or NEET the IISER aptitude test asks questions from both mathematics and Biology. Subjects which are found tougher in IISER entrance examination- Organic Chemistry can easily create hassle while giving the entrance examination as there are a lot of naming reactions, its electrophilic and nucleophilic attacks which are commonly asked in the examination. For the bio-background people, the Math section is not usually unscalable. With a decent understanding of regular 11th and 12th-grade concepts, you should be able to crack a few questions without much trouble. Of course, the caveat being that you rock it in the bio section and make up for it. So ensure that you don't falter at this juncture.
IISER Exam 2026 Application Correction Window: How to Modify Details
Only those candidates who have submitted the application form and paid the requisite application fee will be eligible to make changes in the application form. If candidates made any mistakes in IISER Exam 2026 registration forms, they can correct them in the correction window. Here we have provided a process to correct the application form.
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Go to the IISER Exam 2026 website, iiseradmission.in
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Click on the IAT Application form correction link
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Then click on the login button & enter user id and password.
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After logging in, you can change specific details in IISER Exam 2026 Application form.
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Save the changes and take the printout of the form for future use.
Also Read: How to fill IAT 2026 application form
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IISER 2026 Exam Highlights
The following table provides the important information and highlights of the IISER Aptitude Test 2026.
| Particulars |
Details |
|---|---|
| Exam Name |
IISER Aptitude Test |
| Conducting Body |
Indian Institute of Science Education and Research |
| Exam Level |
Undergraduate |
| Exam Frequency |
Once a year |
| Exam Mode |
Online/Computer-based Test (CBT) |
| Total Registrations |
Two lakh (approximate number) |
| Courses Offered through IISER Aptitude Test |
BS-MS dual degree programme/ BS (IISER Bhopal) degree |
| Application Fee |
Gen/OBC/OBC-NCL/EWS - INR 2,000 SC/ST/KM/PwD - INR 1,000 |
| Exam Duration |
3 Hours |
| Exam Medium |
English and Hindi |
| Total Marks of IISER |
240 Marks |
| Total Questions |
60 |
| Marking Scheme |
+4 for each correct answer -1 for each wrong answer |
| Colleges Accepting IISER Aptitude Test Scores |
All IISER campuses in India |
| Official Website |
http://www.iiseradmission.in/ |
Also Read: IISER eligibility criteria 2026
IISER Exam 2026 Application Form: Editable and Non-Editable Fields
The IISER Entrance Exam 2026 modification window allows candidates to make changes to their personal information, educational qualification details, exam centre preferences, and other relevant particulars. The aim is to ensure that all applications are accurate and complete before the final processing stage.
IISER Exam 2026 Form Correction: Any one of the fields can be corrected
The following section brings the list of fields out of which only one can be edited:
- Candidate Name or
- Father's Name or
- Mother's Name
IISER Exam 2025 Form Correction: All the fields can be corrected
Candidates are allowed to change all the following fields:
- Class 10/ equivalent details
- Class 12/ equivalent details
- Graduation Details
- Post-Graduation Details
- Date of Birth
- Gender
- Category
- Sub-category / PwBD
- Test Paper Code
IISER Exam 2026 Form Correction: Details can't be corrected
The following are the uneditable fields on the IISER Entrance Exam 2026 application form.
- Application number
- Date of application submission
- Status of application (submitted, incomplete, pending, etc.)
- Application fee payment status
- Candidate's photograph
- Candidate's Signature.
- Mobile Number
- E-Mail address
- Address (Permanent and Present)
IISER Exam 2026 Application Correction Window: Things to Remember
Candidates need to remember the following things:
- The option to edit the Subject / Test / Programme / Course will continue to be available till the correction period.
- If there is an impact on the fee, then the additional fee will be charged as applicable.
- Correction in these fields will be applicable only after payment of an additional fee if any.
- No fee will be refunded for the reduction of Test Papers.
- The only one-time correction will be allowed to the candidate, i.e. once the corrections are done and submitted, the form shall be frozen.
Read More:
IISER Entrance Exam 2026 Application Form: Documents Required
How to Prepare for IISER Entrance Exam: Prep Tips and Guidelines
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Student Forum
Anything you would want to ask experts?Answered 3 weeks ago
Yes, you can get admission to the IISER with 6000 rank. However, admission will depend on your category. SC/ST category students have a strong chance of admisison with the mentioned rank. General category students can get admission to the newly added IISER.
V
Contributor-Level 10
Answered 4 weeks ago
In such a situation, you have to prioritise which exam you want to appear for. You might have prepared for months for the exam. Based on your preparation, you have to decide which exam you can easily qualify for and get admission to the desired course and college.
V
Contributor-Level 10
Answered a month ago
Yes, the IAT response sheet for 2026 is officially out. You can check your response sheet on the official IISER admissions portal through your login credentials.
S
Beginner-Level 5
Answered a month ago
Students can create an IISER login id and password during registration. The details required to register for IISER are Name, Date of birth, gender, citizenship status, mobile number, and email address.
V
Contributor-Level 10
Answered a month ago
No, IISER registration was over on April 13, 2026. Students were able to register for IAT 2026 from March 5 to April 13.
V
Contributor-Level 10
Answered a month ago
IAT user id is (application number / registration number). It is created during the IISER registration process. After the registration is over, user id and password are sent to the registered email address and mobile number.
V
Contributor-Level 10