IAT 2027 Application Fee: The IAT 2027 application process will tentatively be commenced in the first week of March 2027 on the official IISER Aptitude Test website — iiseradmission.in. The application portal will remain open for almost a month. Candidates who wish to apply for IAT 2027 must know the application fee as per their respective category and follow the correct steps. This approach can help them avoid problems during the application process.

To help candidates with this, this SciAstra article provides details about the IAT 2027 application fees for the General, SC, ST, and OBC and other categories.

IISER Aptitude Test 2027 Overview

All aspirants who wish to apply for the IISER Aptitude Test (IAT) 2027 can check the exam overview below to get all the important details about it.

Features

Details

Exam Name

IISER Aptitude Test (IAT), IISER Entrance Exam

Exam Organising Institute

One of the IISERs

Exam Level

Undergraduate Level

Courses Offered

  • 5-year BS-MS dual degree

  • 4-year BS degree

  • 4-year BTech degree

Exam Mode

Online

Exam Frequency

Once a year

Registration Fee

Gen/OBC/OBC-NCL/EWS - INR 2,000

SC/ST/KM/PwD - INR 1,000

Type of Question

Multiple Choice Question (60 questions)

IAT Marking Scheme

  • Each correct response = +4 marks

  • Each incorrect response = -1 marks

  • Each unttempeted question = 0 mark

Official Website

https://iiseradmission.in/

Also Read:

IAT 2027 Application Fees

The IAT 2027 application form will tentatively be released in the first week of March 2027, at iiseradmission.in. The last date to fill out the application form and pay the application fee will be announced by the exam authority once the application process starts.

The IAT 2027 application fees are different for candidates belonging to different categories. The fees for unreserved male candidates and those belonging to SC, ST, EWS, and OBC categories are mentioned below.

IAT 2027 Application Fees (Category-Wise)

Category

IAT 2027 Application Fee

Candidates belonging to General, EWS, OBC and OBC-NCL Categories

INR 2,000

Candidate of SC/ST category

INR 1,000

Candidates of person with disability (PwD) category

INR 1,000

Candidates applying under Kashmiri Migrants/Kashmiri Pandits/Kashmiri Hindu Families (Non-Migrant) category

INR 1,000

Candidates applying under Foreign National Category

INR 12,000

Candidates of Divayngjan category (both males and females)

INR 700

Preparing for IAT 2027? Explore SciAstra's IAT & NEST Prep Courses

Also Read: 

IAT 2027 Exam Pattern

IAT 2027 Dates

IAT 2027 Application Fees: Payment Method

The complete application process for IAT 2027 is online. Therefore, candidates will be able to submit the IAT 2027 application fee only in online mode using a debit card, credit card, or net banking.

To pay the fees, they can use debit or credit cards or UPI.

To pay the IAT 2027 application fee, candidates need to follow these steps:

  1. Go to the official IAT 2027 website — iiseradmission.in.

  2. Click on “New Registration” and fill in the required details to create a candidate registration account.

  3. You will receive login details via email and SMS.

  4. Go to the “Login” option and log in using the provided credentials.

  5. Fill out the application form.

  6. Upload your passport-size photograph and scanned signature.

  7. Pay the application fee using a debit card, credit card, or UPI.

  8. Save and submit the form.

  9. Download the confirmation page as a PDF.

IAT 2027 Application Fee: Refund Policy

The application fee for IAT 2027 is non-refundable. Once you submit the fee, it will not be refunded under any circumstances, even if you do not appear for the exam.

IAT 2027 Application: Last Date for Fee Submission

The last date to submit the IAT 2027 application fee will be announced by the exam authority once the application process starts. Check out all the important dates related to the IAT 2027 application process and other events:

Event Name

Dates

IISER 2027 Notification

First week of February 2027

IISER Aptitude Test Application Form 2027

First week of March 2027 - Second week of April 2027

IISER Aptitude Test 2027 Application Correction Window

Second week of April 2027

IISER Aptitude Test Admit Card 2027

Fourth week of May 2027

IISER Aptitude Test 2027

First week of June 2027

IISER Provisional Answer Key 2027

First week of June 2027

IISER Final Answer Key 2027

Third week of June 2027

IISER 2027 Result

First week of July 2027

IAT 2027 Counselling

July 2027

IAT 2027 Application Correction

After the conclusion of the IAT 2027, candidates will be allowed to correct details in their application form through the correction window facility. To access this facility, candidates will need to visit the official exam website and log in to their candidate account.

The IAT 2027 application correction window will tentatively be opened in the second week of April 2027 at iiseradmission.in.

During this period, candidates will be able to edit the following details in their application form:

Details allowed to be edited in IAT 2027 Application Form

Personal Details

  • Father’s Mother

  • Mother’s Name

  • Category (only for General and OBC)

Present Address-related Details

  • State/UT of Domicile

  • District/City

  • Pin Code

  • Address

  • Marking permanent address same as the present address

  • Town/City

Details of Guardians

  • Guardian’s mobile number

  • Relationship of guardian with you

Educational Details for 10th

  • Year of passing

  • Percentage

  • Board/Council

Educational Details for 12th

  • Year of passing

  • Percentage

  • Board/Council

Uploaded Documents

  • Changing scanned copies of passport-size photo and signature

Conclusion

In conclusion, understanding the IAT 2027 application fee structure and important deadlines is essential for a smooth registration process. Since the entire application procedure for the IISER Aptitude Test is conducted online, candidates must carefully check their category-wise fee, keep the required documents ready, and complete the payment before the last date. As the application fee is non-refundable, it is crucial to review all details before final submission.