IISER IAT 2027 Application: How to Register Step by Step

IISER IAT 2027 registration is expected to open in March 2027 on the official admissions portal at iiseradmissions.in. Students must complete the online application by submitting personal details, academic records, and the application fee before the closing date.

The Indian Institutes of Science Education and Research Aptitude Test (IISER IAT) is the entrance exam for BS-MS dual degree programs across all seven IISERs in India. The application process is entirely online and open to students who qualify through the JEE Advanced rank, KVPY fellowship, or Board merit channel. This guide covers every step of the IISER IAT 2027 application process based on previous year patterns.

• Application window: Expected to open in March 2027 at the official IISER admissions portal.
• Eligibility: Class 12 passed or appearing in 2027 with PCM or PCB; minimum 60% aggregate (50% for SC/ST/PwD).
• Application fee: Expected Rs. 2,000 for General/OBC-NCL/EWS and Rs. 1,000 for SC/ST/PwD, based on 2026 trends.
• Mode: Online only via the official IISER admissions portal.
• Channels: JEE Advanced rank, KVPY fellowship, or Board merit (CBSE/ICSE/State board) — IAT is mandatory only for the Board merit channel.

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IISER IAT 2027 Important Dates

The dates below are expected based on previous year patterns. Official dates will be published on the IISER admissions portal once announced by the conducting institute.

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IISER IAT 2027 Eligibility Criteria

Before you begin registration, confirm you meet all the eligibility conditions. Students who do not satisfy these requirements will be disqualified even after appearing in the exam.

Qualifying channels: You must qualify through one of three channels — JEE Advanced rank list, KVPY fellowship, or Board merit (top percentile from CBSE/ICSE/State boards as per IISER-specified cutoffs). The IAT written test is mandatory only for Board merit students. Students qualifying via JEE Advanced or KVPY may receive direct admission based on their rank or fellowship status.

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How to Apply for IISER IAT 2027: Step-by-Step Process

The entire application is completed online. Follow these steps carefully to finish your IISER IAT 2027 registration without errors.

1. Step 1 — Visit the official portal: Go to the official IISER admissions website (iiseradmissions.in). Do not use any third-party or coaching institute portal to apply.
2. Step 2 — Create a new account: Click "New Registration" and enter your active email address and mobile number. An OTP will be sent to verify your contact details.
3. Step 3 — Log in and fill personal details: Use your registered email and password to log in. Enter your name, date of birth, gender, and parents’ or guardians’ details accurately as they appear on your certificates.
4. Step 4 — Enter academic information: Fill in your Class 10 and Class 12 board details, roll number, year of passing, and subject-wise marks (or expected marks if still appearing).
5. Step 5 — Select your qualifying channel: Choose between JEE Advanced, KVPY, or Board merit. If you select Board merit, you will be required to appear in the IAT. Enter your JEE Advanced rank or KVPY roll number if applicable.
6. Step 6 — Choose your preferred exam centre: Select your preferred exam city from the list of available IAT test centres. Students applying via JEE Advanced or KVPY may skip this step.
7. Step 7 — Upload required documents: Upload your passport-size photograph, signature, and supporting certificates in the prescribed format and file size. Blurry or incorrectly sized uploads may lead to form rejection.
8. Step 8 — Pay the application fee: Complete payment online via net banking, credit card, debit card, or UPI. Save the transaction ID and payment receipt.
9. Step 9 — Review, submit, and download confirmation: Check every field for accuracy before final submission. Once submitted, most fields cannot be edited. Download and print the confirmation page and keep it until admission is complete.

Note: IISER may open a short correction window after form submission for limited fields. Watch the official portal for any such announcements.

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Documents Required for IISER IAT 2027 Application

Prepare scanned copies of all documents before you begin filling the form to avoid interruptions mid-process.

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IISER IAT 2027 Application Fee

The application fee is paid online during form submission and is non-refundable. The expected fee structure for 2027 is based on 2026 trends and subject to official confirmation.

Accepted payment modes: Net banking, credit card, debit card, and UPI. If your payment is debited but the application confirmation is not generated, contact the official IISER admissions helpdesk immediately with your transaction ID. Do not attempt a second payment without checking your application status first.