IAT 2027 Registration Form: Application Dates, Registration Link, Eligibility Criteria & Documents Required

IISER Application Form 2027 is the mandatory online document that candidates must complete to seek admission to the BS-MS, BS, and BTech degree programmes offered by IISERs, IISc Bangalore, IITs, and other participating institutes through the IISER Aptitude Test (IAT).

The IAT Registration 2027 process is expected to begin on the official website in the first week of March 2027, tentatively. Candidates who have passed Class 12 or are appearing for the Class 12 examination in 2027 and meet the IAT Eligibility Criteria 2027 will be eligible to fill out the IAT application form 2027 within the registration window announced by the exam authorities.

To complete the IAT Registration Form 2027, candidates must first create a registered account on the official website and log in using their registered credentials. While filling out the IISER Application Form 2027, applicants will be required to provide their personal, academic, and communication details, select their preferred exam city, choose the programmes they wish to apply for, upload the required documents, and pay the prescribed IAT application fee 2027.

Latest Updates:

• IIT Guwahati BS Programme Admission Process

IAT Exam Registration Date 2027

Aspiring candidates of the IISER Aptitude Test 2027 must be aware of important registration-related dates, including the start and last date to fill out the application form, fee payment deadlines, and details about the IAT 2027 application correction window. Candidates can check the section below for complete information regarding IISER 2027 registration dates.

When will the IISER 2027 Application Form be Released?

Candidates interested in taking admission to the BS-MS, BS, and BTech degree programmes offered at IAT 2027 participating institutes are now able to fill out the IAT 2027 registration form which will be started in the first week of March 2027, tentatively. Candidates are advised to complete the application process well in advance to avoid last-minute hassles.

What is the Last Date for the IISER 2027 Application Form?

The exam authorities are proving more than a month to candidates to complete the application process. IAT 2027 Registration last date is yet to be annuounced by the exam officials. Based on the previous year trends, the last to fill out the IISER 2027 application form will be second week of April 2027, tentatively.

What is the Last Date for Paying the IISER 2027 Registration Fee?

The final submission of the application form will be completed only after the successful payment of the IAT 2027 registration fee. The exam authorities have not announced a separate date for fee payment, which means that the last date to pay the IISER 2027 registration fee will be the same as the last date to submit the application form.

Also Read: IISER Entrance Exam Dates 2027

What are the IISER 2027 Application Correction Window Dates?

Candidates who have successfully submitted their application form and paid the registration fee but made errors while filling in the details need not worry. The exam authorities will provide an opportunity to correct the mistakes.

The IAT 2027 application correction window will open in the third week of March 2027 and the portal will remain active for one to two days only. The last date to make corrections in the application correction window will be notified. Candidates must carefully review their application form during this period and make the necessary corrections.

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IAT 2027 Registration Dates

Check out the tentative IAT 2027 registration dates from here:

IISER Exam 2027 Application Correction Window: How to Modify Details

Candidates who have filled out the application form and successfully submitted the IAT 2027 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- link will be provided soon

• 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 2027 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 2027 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

IISER Eligibility Criteria 2027

While planning to appear for the IISER 2027 entrance exam, it is very important for aspiring candidates to check whether they are eligible for the exam or not. The IAT 2027 eligibility criteria specify the minimum marks required in Class 12, subject combinations, nationality, age limit, and other details. Check out the IISER Exam 2027 eligibility criteria from here:
Since the IISER 2027 eligibility criteria are yet to be released by the exam officials, for reference, candidates can check out the previous year’s eligibility.

How to Fill IISER Application Form 2027

Candidates can check out the steps that one need to follow for successful registration of the IAT 2027 application form:

Step 1: Registration at IISER Admission Portal

At first candidates need to visit the official website and need to register themselves. Username and Password will be generated upon successful registration.

IISER 2027 Application Portal Link- Link will be updated

Step 2: Fill out IAT 2027 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:

1. Personal details like name, DOB, religion, category, disability, etc.

2. Educational details like subject-wise marks achieved, percentage of marks in class 12, name of the board, etc.

3. Filling of exam city preference.

4. Upload of documents like a photograph, signature, class 12 marksheet, and category certificate in the required dimensions.

Step 3: Pay IISER 2027 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.

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: 

• IISER Syllabus 2027

• IISER Exam Pattern 2027

IISER Exam 2027 Registration Fee

After filling out the details asked by the exam oficials, the last step in the process will be paying the registration fee. Candidates can check out the category wise IISER entrance Exam 2027 registrtaion fee from here:

Documents Required for IISER Application Form 2027

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

• Passport-size photograph

• Signature of the candidate.

• ID proof (Aadhar Card, driving license)

• Caste Certificate.

Note: 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.

Also Read: IISER Admit Card 2027

IAT 2027 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:

Also Read: IISER 2027 expected cut off