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IISER Eligibility Criteria 2025 has been set by the conducting authority. The IISER exam eligibility criteria 2025 is released on the official website i.e, iiseradmission.in by the IISER 2025 officials. Based on IAT exam eligibility applicants must be Indian nationals, PIO, or OCI to apply through KVPY, JEE (advanced), or IAT channels.
Further, students should have a minimum of three subjects among Biology, Chemistry, Mathematics and Physics during their Class XII (or equivalent) exam. Applicants belonging to SC/ST/PwD must have scored a minimum of 55% marks in aggregate or equivalent grade in their Class XII (or equivalent) exam.
Students who are not Indian nationals, PIO, or OCI students can apply for admission only through the JEE (Advanced) channel. Applicants must have qualified for the Class XII (or equivalent) exam with a science stream from CBSE recognized board.
Other categories of students should have scored at least 60% marks in aggregate or equivalent degree. Candidates are advised to go through all the factors of IISER exam qualification before filling out the IISER application form 2025.
IISER Entrance Exam Eligibility 2025
IISER Aptitude Test is a national-level test for admission to the Indian Institutes of Science Education and Research's five-year BS-MS dual degree program. Candidates who wish to appear for the exam must look for the eligibility criteria for IISER.
The age criteria for the IISER exam must also be verified. IISER exam eligibility criteria 2025 details are given below.
| Category | Criteria |
|---|---|
| Nationality | Both Indian and Foreign Nationals |
| PIO / OCI Candidates | Considered as Indian Nations |
| Foreign Nationals | Admission only through JEE Advanced Channel |
| Age | Not Specified |
| Education | 10+2 with IISER prescribed cut-off of your state/central board |
| Compulsory Subjects | Physics and Chemistry with Mathematics or Biology |
| Marks requirements General Category | 60% aggregate marks in 10+2 |
| Marks requirements Reserved Category | 55% aggregate marks in 10+2 |
| Channels |
SCB Channel - IISER Aptitude Test (IAT) |
Must Read: IISER 2025 Exam Date
Performance Criteria in Class 12 or Equivalent Board Exam for IISER Admission 2025
As part of the IISER qualification, the candidates must follow the given performance criteria in the Class 12th (or equivalent) Board Examination for IISER Admission 2025.
- The candidate must have marks within the category-wise cut-off above for their respective Class XII (or equivalent) Board examination to be eligible to get admission to IISERs.
- For candidates who appeared in the Class XII (or equivalent) Board examination for the first time in 2021 and reappeared in any subject (for whatsoever reason) in 2025, the better of two performances will be considered.
- If a Board gives aggregate marks considering both Class XI and Class XII examinations (in the 10+2 system), only Class XII marks will be considered. If a Board gives aggregate marks considering the results of all three years of a 3-year diploma or courses of equivalent duration, only the marks scored in the final year will be considered. Similarly, for Boards that follow a semester system, the marks scored in the final two semesters will be considered.
- If a Board awards only letter grades without providing an equivalent percentage of marks on the grade -sheet, the candidate should obtain a certificate from the Board specifying the equivalent marks and submit it before the deadline for the mark sheet submission.
- In case such a certificate is not provided by the Board, meeting minimum IISET Aptitude Test eligibility criteria will be assessed as follows: If CGPA/CPI is reported on any scale other than 10 (for example, 4 points or 8 points scale), an equivalent CGPA/CPI will be calculated as per the following formula: CGPA/CPI in a 10 point scale = (CGPA/CPI Obtained×10)/PS. Finally, the marks will be linearly scaled out of 500. (Here PS stands for Point scale used by the Board).
Read More: IISER Exam Centres 2025
IISER Age Limit 2025
To appear for the exam there is no IISER exam eligibility age limit for the candidates, but candidates need to take admission within 3 years of passing their Intermediate. Aspirants must remember that they should attempt the exam only 3 times.
However, if candidates are preparing for JEE Advance then there is no IAT exam eligibility age limit and number of attempts for such candidates.
Q. What is IISER? How to get admission in IISER?
Ans. IISER stands for Indian Institute of Science Education and Research. It is a national level apptitude test conducted by IISER Bhopal for Undergraduate programs. IISER offers students with 5-Year BS-MS dual degree. To get into IISER students need to qualify the aptitude test conducted every year, and they must meet the eligibility. Further, students must note that there is no IAT age limit for the examination.
Must Check: IISER Registration 2025
IISER Eligibility Criteria 2025 for Each Channel
The qualification to write the entrance exam for IISER depends on the channel through which you are willing to apply. The 3 channels through which a candidate can apply for IISER 2025 are as follows.
- SCB (State and Central Boards) Channel - IISER 2025 Aptitude Test
- KVPY exam (Kishor Vaigyanik Protsahan Yojana)
- JEE Advanced
KVPY Channel - Kishore Vaigyanik Protsahan Yojana
Candidates must have a valid KVPY fellowship commencing from the 2022-23 session. Candidates with a KVPY fellowship need not have to take the IISER Aptitude Test.
JEE Advanced Channel - Joint Entrance Examination Advanced
Candidates must qualify for the JEE Advanced exam & secure a rank within 10,000 in the Common Rank List (CRL).
- Relaxation: For candidates belonging to the reserved category (OBCNC, SC, ST, PD), their rank should be within 10,000 ranks under the respective category.
- IISER Aptitude Test 2025: Candidates with a valid JEE Advanced rank/scorecard need not have taken the IISER aptitude test.
Read More: IISER Registration 2025
SCB Channel - State and Central Boards
The candidates who apply under SCB Channel have to mandatorily take IISER 2025 Aptitude Test, to be able to get admission. Before applying, candidates should make sure they satisfy the eligibility criteria.
- Qualifying Exam: Candidates must pass the 10+2 examination with science stream(PCM) in 2025 or 2019. They can appear for IISER after 12th.
- Minimum Marks: Candidates have to secure marks equal to or above the cut-off percentage in their respective boards to qualify for IISER 2025.
- Relaxation: There is a 5% relaxation in qualifying marks for the OBC-NC & PwD category.
- Cut-Off Percentage: For reserved SC/ST/KM category candidates, the cut-off percentage marks are 55% in the 10+2 level for all boards.
To gain admission under this channel you need to satisfy the cut-off of the qualifying exam before taking the IISER Aptitude Test. The IISER 2024 opening and closing rank for different categories is provided below.
IISER Opening and Closing Ranks 2024 for General Category
Applicants must check the IISER 2024 opening and closing rank of different institutes for the general category given in the tabular below for reference.
| Institute Name | Opening and Closing Ranks | Marks (Out of 240) |
| IISc Bangalore | 1 - 20 | 210+ |
| IIT Madras | 10 - 35 | 197+ |
| IISER Pune | 10 - 717 | 190+ |
| IISER Mohali | 100 - 2229 | 170+ |
| IISER Trivandrum | 200 - 2965 | 160+ |
| IISER Tirupati | 300 - 3470 | 160+ |
| IISER Beharampur | 400 - 3576 | 150+ |
| IISER Bhopal | 150 - 2609 | 175+ |
| IISER Kolkata | 50 - 1801 | 180+ |
IISER Opening and Closing Ranks 2024 for OBC Category
The IISER opening and closing rank for the OBC category has been given below. The ranks are provided for the 2024 session of different institutions.
| Institute Name | Opening and Closing Ranks | Marks (Out of 240) |
| IISc Bangalore | 5 - 35 | 195+ |
| IIT Madras | 10 - 50 | 185+ |
| IISER Pune | 15 - 371 | 180+ |
| IISER Mohali | 1332 | 165+ |
| IISER Trivandrum | 50 - 1241 | 150+ |
| IISER Tirupati | 70 - 1461 | 154+ |
| IISER Beharampur | 80 - 1634 | 145+ |
| IISER Bhopal | 65 - 1305 | 165+ |
| IISER Kolkata | 30 - 817 | 170+ |
IISER Opening and Closing Ranks 2024 for SC Category
The opening and closing ranks 2024 of IISER for the SC category of different institutes are given in the tabular below.
| Institute Name | Opening and Closing Ranks | Marks (Out of 240) |
| IISc Bangalore | 15 - 75 | 185+ |
| IIT Madras | 25 - 220 | 180+ |
| IISER Pune | 35 - 266 | 170+ |
| IISER Mohali | 55 - 550 | 165+ |
| IISER Trivandrum | 60 - 681 | 155+ |
| IISER Tirupati | 80 - 738 | 152+ |
| IISER Beharampur | 100 - 739 | 150+ |
| IISER Bhopal | 45 - 600 | 155+ |
| IISER Kolkata | 50 - 364 | 170+ |
IISER Opening and Closing Ranks 2024 for ST Category
The opening and closing ranks of IISER 2024 for the ST category is provided below.
| Institute Name | Opening and Closing Ranks | Marks (Out of 240) |
| IISc Bangalore | 15 - 100 | 175+ |
| IIT Madras | 20 - 120 | 160+ |
| IISER Pune | 25 - 65 | 150+ |
| IISER Mohali | 100 - 256 | 145+ |
| IISER Trivandrum | 130 - 302 | 135+ |
| IISER Tirupati | 138 - 316 | 122+ |
| IISER Behrampur | 144 - 322 | 140+ |
| IISER Bhopal | 115 - 297 | 150+ |
| IISER Kolkata | 105 - 217 | 160+ |
Also Read: IISER Reservation 2025
FAQs on IISER Exam Eligibility Criteria
Q: What is the IISER Eligibility Criteria 2025?
A: The eligibility criteria for IISER 2025 examination is that students should have a minimum of three subjects among Biology, Chemistry, Mathematics and Physics during their Class XII (or equivalent) exam. Applicants belonging to SC/ST/PwD must have scored a minimum of 55% marks in aggregate or equivalent grade in their Class XII (or equivalent) exam.
Q: Is there any IISER age limit?
A: No, there is no IISER exam age limit but students need to take admission within 3 years of passing their Intermediate. Candidates can only 3 times appear for the examination. Further, students preparing for JEE Advanced must note that there is no attempt limit not any IAT exam eligibility age limit.
Q: What is the IISER performance criteria for 12th?
A: Candidates who appeared in the Class XII (or equivalent) Board examination for the first time in 2021 and reappeared in any subject (for whatsoever reason) in 2025, the better of two performances will be considered.
Q: How can we apply for the IISER 2025 examination?
A: To apply for the IISER 2025 exam, there are three channels, namely, SCB (State and Central Boards) Channel - IISER 2025 Aptitude Test, KVPY exam (Kishor Vaigyanik Protsahan Yojana), JEE Advanced. The qualification completely depends on the channel students are following.
Q: What is the qualification requirement for IISER if we are registering through JEE Advanced channel?
A: If any student is applying through JEE Advanced channel, then they must qualify for the JEE Advanced exam & secure a rank within 10,000 in the Common Rank List (CRL).
