IISER 2026 Application Correction Window Opens Today; Edit Your Form Now!

The IISER Entrance Exam 2026 application correction window has opened today, April 16, 2026 (from 11 AM onwards), for candidates who have successfully submitted the application form. Earlier, the exam officials conducted the IISER 2026 registration process from March 5 to April 13, 2026. While filling out the application form, many candidates may have entered incorrect details unintentionally. To rectify such errors, the exam authorities have provided an opportunity to edit the application form.

The IAT 2026 application correction window will remain open for three days. The last date to make corrections in the application form is April 18, 2026, till 11:55 PM. Applicants will not be allowed to edit all the details they have filled in. However, the exam authorities have specified the editable and non-editable fields in the application form during the correction window.

The IISER Aptitude Test (IAT) 2026 is scheduled to be conducted on June 7, 2026, in a single shift from 9:00 AM to 12:00 PM in online (CBT) mode to assess candidates’ domain knowledge. The exam will consist of multiple-choice questions (MCQs) from Mathematics, Physics, Chemistry, and Biology.

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IAT 2026 Exam Dates

Since the IAT 2026 admission dates have been released by the exam officials, candidates can check out the exam schedule below:

IISER Exam 2026 Application Correction Window: How to Modify Details

Candidates who have filled out the application form and successfully submitted the IAT 2026 registration will only be allowed to make corrections in the registration form during the application correction window. To correct the details in the application form, applicants need to follow the steps mentioned below:

• First, applicants are required to visit the official website: https://www.iiseradmission.in/

• Next, candidates need to log in to their registered account using their username and password, or click the “Application Correction Window” link directly on the official website. The link will redirect to the registered account.

• After logging in, candidates will be able to view the specific details that can be corrected, including editable and non-editable fields in the IISER 2026 application form.

• After making the corrections, candidates need to save the changes and submit the form. It is highly advisable for candidates to print the form for future use.

IAT 2026 Application Correction: Editable Fields

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