The IISER has initiated the registration process for the IISER Aptitude Test (IAT) 2025. The IISER 2025 registration process was started on March 10, 2025 till April 15, 2025. The entrance exam, as a part of admission for many of the IISER campuses, will be conducted on May 25, 2025. Students aspiring to make a career in science and research can now apply online for the application form through the official website.
Whether you are applying through the SCB, KVPY, or JEE Advanced route, it is important to know about the eligibility criteria, compile the right documents, and fill in the form correctly. Here is all you need to know before you begin.
IISER Application Process Latest Trends
- Eligibility Criteria for IAT 2025
- IISER 2025 Admission Schedule: Important Dates
- IISER Application Process 2025: What You Need Before You Begin
- How to Fill IISER Application Form 2025
- IISER Aptitude Test 2025 Pattern
- IISER Final Tips for Applicants
- IISER Cutoff Marks for IAT 2025
- IISER Application Form FAQs
Eligibility Criteria for IAT 2025
- Candidates should have passed Class 12 (or equivalent) in 2023 or 2024.
- They should be from a science stream and have studied subjects like Physics, Chemistry, Mathematics and/or Biology.
- The candidates in General, EWS, and OBC-NCL categories are required to have at least 60% marks.
- Candidates from SC, ST, or PwD categories must secure a minimum of 55%.
It is important to mention that eligibility criteria differ marginally based on which channel one decides to apply through—SCB, KVPY, or JEE Advanced. All of these channels also involve a different application form and fee.
What is IISER, and Who Can Apply?
IISERs are self-governing institutions under the Ministry of Education, Government of India, providing quality education and research in basic sciences. Candidates having higher secondary science education can apply for admission to the BS-MS dual degree courses provided by these institutes.
IISER 2025 Admission Schedule: Important Dates
It is important to keep an eye on the official schedule. Missing a deadline could deprive you of the opportunity to apply.
| Event | Date |
|---|---|
| Start of Online Application | March 10, 2025 |
| Last Date to Submit Form | April 15, 2025 |
| Correction Window | April 21 – April 22, 2025 |
| IISER Aptitude Test (IAT) | May 25, 2025 |
| First Admission Offer | To be Announced |
What is the last date for IISER application?
The last date of IISER 2025 Application process is currently going on, it started on March 10, 2025 till April 15, 2025. An application correction window will be available from April 21 to April 22, 2025, allowing applicants to rectify errors in their application form
The IISER Admit card will be available on May 15, 2025.
IISER Sample Admit Card
IISER Application Process 2025: What You Need Before You Begin
Before logging in to complete the application form, have all the documents ready and keep them handy. This will make it easier and quicker.
IISER Documents Required
- Valid email ID and mobile number
- Recent passport-size photograph (scanned copy)
- Scanned signature
- Class 12 mark sheet (if available)
- Category certificate (if applicable)
- PwD certificate or medical certificate (as applicable)
- OCI/PIO certificate (if applicable)
- ID proof (not required while applying)
IISER File Specifications
| Document | Format | Maximum Size |
|---|---|---|
| Photograph | JPG/JPEG | 200 KB |
| Signature | JPG/JPEG | 200 KB |
| Class 12 Mark Sheet | PDF/JPG | 1 MB |
| Category Certificate | PDF/JPG | 1 MB |
How to Fill IISER Application Form 2025
IISER Registration 2025
To start the application process, log on to the official IISER admissions portal. You'll be required to fill in your name, date of birth, a valid email ID, and mobile number. Upon submission, an OTP will be sent to your phone as well as your email address to be verified. After verification, you'll receive your login details.
IISER Log In and Fill Up Your Profile
Using the credentials sent to your email, log into your account and begin filling in your personal details. This includes your parent or guardian’s information, your nationality, category (General, OBC, SC, etc.), address details, and contact numbers. You’ll also be asked about your family’s educational background and annual income.
IISER Educational Qualifications
Next, you’ll be prompted to provide details of your academic history:
- Class 10 and Class 12 board names and passing years
- Name and address of your school
- Whether your school is in a rural or urban area
- Subjects studied in Class 12, particularly Mathematics
- Whether your results have been announced
- Ensure that all entries match the details on your official documents.
IISER Required Documents
Once your personal and academic details are entered, you’ll be asked to upload the required documents. Follow the exact specifications for file format and size. After uploading, preview your application to ensure everything appears as intended.
IISER Channel and Preferences
You’ll need to select your admission channel (SCB, KVPY, or JEE Advanced). Depending on your selection:
- SCB candidates must choose five exam cities and rank up to nine IISER campuses in order of preference.
- KVPY applicants must enter their stream, rank, and application number.
- JEE Advanced candidates must input their roll number and counselling centre.
- You can apply to multiple channels, but a separate application fee must be paid for each one.
IISER Application Fee Payment
Payment is the last step prior to submission. You will be taken to a secure payment gateway where you can pay using UPI, net banking, or credit/debit card.
| Category | Application Fee |
|---|---|
| General, EWS, OBC-NCL | ₹2,000 + bank charges |
| SC, ST, PwD | ₹1,000 + bank charges |
Be sure to save the payment receipt and transaction ID for future reference.
Once you have done all the above, check your application one final time. Once you are satisfied that all details are correct, submit the form. You can then download a PDF copy of your completed application for safekeeping.
IISER Aptitude Test 2025 Pattern
For all those who are applying under the SCB stream, taking the IISER Aptitude Test is compulsory. It is a computer-based exam that is conducted over four fundamental subjects: Physics, Chemistry, Mathematics, and Biology. There are 15 questions in each subject.
- Duration: 3 hours
- Total Questions: 60
- Marking Scheme: +3 for a correct answer, -1 for a wrong one
The Aptitude Test is intended to examine basic concepts and reasoning. Candidates are advised to go through the official syllabus and solve sample papers to prepare well.
IISER Final Tips for Applicants
If you're going to be applying to IISER in 2025, it's best to begin early, pay close attention to instructions, and double-check everything before submitting your form. Make sure the documents you upload are readable, and don't wait until the eleventh hour to pay the fee or correct errors.
Keep yourself updated by frequent visits to the official IISER website, and keep a strict vigil on your email inbox for admit card related and examination related notifications.
IISER Cutoff Marks for IAT 2025
The IISER Cutoff Marks for IAT 2025 are divided into different categories: General(UR), OBC-NCL, SC/ST, and EWS. The IAT is scored out of 240 marks, and historical data indicates that the cutoff scores for admission are significantly higher.
| Category | Expected Cutoff Marks |
|---|---|
| General (UR) | 120–130 |
| OBC-NCL | 100–110 |
| SC/ST | 65–75 |
| EWS | 110–120 |
Can I get IISER with 60 marks?
No, it is highly unlikely to get an IISER with a score of 60 out of 240 in the IAT, especially for candidates in the General category; a score below 60 would likely place a candidate beyond rank 2000.
IISER Marks vs. Rank Analysis
| Marks Range | Expected Rank Range |
|---|---|
| 200 and above | 1 to 80 |
| 160–200 | 81 to 200 |
| 110–160 | 201 to 800 |
| 95–110 | 801 to 1500 |
| 75–95 | 1501 to 2000 |
| Below 60 | Above 2000 |
Is IISER better than IIT?
The IISER is for science research, whereas the IIT is more for Engineering technology and applied sciences.
A detailed comparison between IISER and IIT, highlighting which might be better depending on individual preferences and goals.
| Criteria | IISER (Indian Institutes of Science Education and Research) | IIT (Indian Institutes of Technology) |
|---|---|---|
| Primary Focus | Pure sciences & research | Engineering, technology, and applied sciences |
| Programs Offered | BS-MS Dual Degree (Science) | B.Tech, M.Tech, BSc, MSc, PhD |
| Admission Mode | IISER Aptitude Test (IAT), KVPY (till 2021), JEE Advanced | JEE Advanced, JAM, GATE |
| Research Opportunities | Extremely high, research-intensive curriculum | Strong in engineering R&D; moderate in core sciences |
| Best For | Students interested in careers in research, academia | Students aiming for tech roles, startups, corporate jobs |
| Campus Size & Facilities | Moderate to large, research-focused labs | Large, tech-advanced campuses with strong infrastructure |
| Placements | Limited (since research/academia-focused) | High, especially in tech and engineering domains |
| Global Recognition | Growing reputation globally in sciences | Strong global recognition, especially in engineering |
| Notable Institutes | IISER Pune, IISER Kolkata, IISER Bhopal | IIT Bombay, IIT Delhi, IIT Madras, IIT Kanpur |
| Seat Intake (Approx.) | ~1,500 across IISERs | ~16,000 across all IITs |
IISER Application Form FAQs
1. Can I select my preferred IISER campus while submitting the application form?
Yes. While applying, candidates must rank their choices of IISER campuses. Although final allotment is based on IAT scores and seat availability, giving your preferences ensures that you are considered for the institutes you're most interested in.
2. I am a Class 12 student. Am I eligible to apply for IISER IAT 2025?
Yes, students appearing for Class 12 board exams in 2025 are fully eligible to apply. But they will be required to submit proof of passing (Class 12 marksheet) during admission if they get selected.
3. Is there any limit on the number of times I can appear for the IAT exam?
Yes. Contestants are allowed to appear for the IISER Aptitude Test a maximum of three times consecutively in a year. If you have already appeared for the test more than thrice, you won't be considered anymore.
4. Should I send any hard copies of documents by post after completing the form?
No, the entire IISER 2025 application process is online. You don't have to post any hard copies. But you must keep the originals as they will be needed at the time of counselling and admission.
5. What if my name or details are printed wrong on the admit card?
In case you notice any error in your admit card after it has been released, you can notify the IISER admission helpdesk with the official contact details as soon as possible. Errors usually can be corrected before the exam date if raised within time.
6. What if my payment fails while applying?
If the payment done by you on the web fails or is pending, your application shall be considered incomplete. You may log in again, verify your status of payment, and if necessary, do the payment once again to successfully complete the submission.
7. Can I try IAT if I did not study four of these subjects – Physics, Chemistry, Mathematics, and Biology?
Yes. You must have studied a minimum of three of the four subjects in Class 12 to be qualified. But the IAT exam tests you on all four, so you are urged to prepare in advance even if one of the subjects was not included in your course.
*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.
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