The Indian Institutes of Science Education and Research (IISER) has officially released the IAT 2025 results on June 24, 2025, on the official portal – iiseradmission.in. Candidates who appeared for the IISER Aptitude Test (IAT) 2025 for admission to BS-MS dual degree and BS programmes across 7 IISERs, IISc Bangalore, and IIT Madras can now download their scorecards using their application number and password.
The IAT 2025 rank card includes both the All India Rank (AIR) and the Category Rank, and has been prepared on the basis of the final answer key on June 24. Only meritorious candidates will be eligible to participate in the IISER 2025 counselling process starting June 26, with document uploading scheduled till July 3, 2025.
What is IISER 2025?
IISER stands for Indian Institute of Science Education and Research. In order to encourage the study of Basic Science across the nation, IISER was founded in Berhampur, Bhopal, Kolkata, Mohali, Pune, Trivandrum, and Tirupati.
Candidates can take IISER IAT exam for admission to BS and BS-MS dual degree programs. JEE Advanced, the KVPY channel, and the IISER Aptitude Test channel are the three channels through which IISER offers admission to applicants.
IISER 2025 Highlights
IISER offers applicants the chance to enroll in the BS and BS-MS Dual Degree programs offered at IISERs in Bhopal, Mohali, Pune, Thiruvananthapuram, Berhampur, Tirupati, and Kolkata.
| Details | Particulars |
| Exam Name | IISER 2025 |
| Full Form | Indian Institute of Science Education and Research Aptitude Test |
| Conducting Body | IISER Bhopal |
| Category | Undergraduate |
| Level | National |
| Program Offered | 5-Year BS-MS Dual Degree |
| Application Mode | Online i.e. the Computer-Based Test (CBT) |
| Duration Of Exam | 3 hrs |
| Medium | English |
| Official Website | www.iiseradmission.in |
IISER 2025 Important Dates
Dates for the IISER Aptitude Test in 2025 have been released by IISER. In the first week of July, from 2 pm to 5 pm, the exam will be given in a computer-based mode. The fourth week of May is anticipated to mark the start of the application process. Candidates must submit their application before the application form deadline in order to sit for the IISER 2025 exam. Additionally, candidates are encouraged to review the IISER 2025 eligibility requirements before submitting their application. The IISER Aptitude Test 2025's key dates and event-related information are provided here.
IISER Aptitude Test Dates
| Event | Date |
| Release of Application Form | March 10, 2025 |
| Last Date to Apply | April 15, 2025 |
| Correction Window | April 21 – 22, 2025 |
| Admit Card Release | First week of May 2025 |
| IAT 2025 Exam Date | May 25, 2025 |
| Result Declaration | June 24, 2025 |
| Counselling & Seat Allocation | June 26–July 03, 2025 |
IISER 2025 Results
IAT 2025 result of the IISER 2025 aptitude exam will be out in the official website after the exam. Candidates will be able to view the IISER Results 2025 online only. Enter your IISER 2025 login ID and password to check the result.
IISER 2025 Counselling Process
- Students who have qualified the prescribed exams may register for the IISER 2025 counselling.
- A ranking list created by IISER will be used to determine admissions.
- Eligible candidates will be required to upload their documents and fill in the IISER Preferences within the given deadline.
- After the preference locking is over, IISER will release the Admission Offers in 4 Rounds. Offer letter will be made available for each candidate participating in the counselling.
- On release of Admission Offer candidates can exercise the option of ‘Accept & Freeze’ or ‘ Accept & Float’. In order to accept the offer candidate must pay the Seat Acceptance Fee.
- The option of Admission Withdrawal is also available, in case any candidate wants to leave the seat after paying the seat acceptance fees. Admission withdrawal can be exercised without paying penalty if done within the prescribed date. Beyond this date penalty money will be charged.
IISER IAT 2025 Seat Acceptance Fee
Candidates must pay the seat acceptance fee within the deadline to reserve the seat. If you fail, your IISER offer of admission will be canceled.
| Category | Seat Acceptance Fee |
| General/EWS/OBC/OBC-NCL/PwD/KM/Kashmiri Pandit/Kashmiri Hindu Families (Non-Migrants) | Rs 35,000 (Rs 25,000 + Rs 10,000) |
| SC/ST | Rs 17,500 (Rs 12,500 + Rs 5000) |
Note: After the seat reservation is over, the fee will be adjusted against your first-semester fee.
IISER 2025 Cutoff
Students who plan to take the IISER IAT in 2025 to be admitted through the SCB channel must achieve the cutoff points to pass the exam. The website has published the IISER Cut-Off 2025 for each board with their percentage results.
IISER Cutoff Rank Round 8
| Program | Gen | Gen-PwD | OBC-NCL | OBC-NCL-PwD | SC | SC-PwD | ST | ST-PwD | EWS | EWS-PwD | KM |
| BPR: BS-MS | 4484 | - | 2407 | - | - | - | - | - | - | - | - |
| BHO: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| KOL: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| MON: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| PUN: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| TPT: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| TVM: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| BHO: BS(ENG) | - | - | - | - | - | - | - | - | - | - | - |
| BHO: BS(ECO) | - | - | - | - | - | - | - | - | - | - | - |
IISER Cutoff Rank Round 7
| Program | Gen | Gen-PwD | OBC-NCL | OBC-NCL-PwD | SC | SC-PwD | ST | ST-PwD | EWS | EWS-PwD | KM |
| BPR: BS-MS | 4398 | - | 2381 | - | 965 | - | - | - | - | - | - |
| BHO: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| KOL: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| MON: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| PUN: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| TPT: BS-MS | 4325 | 279 | - | - | - | - | - | - | 782 | - | - |
| TVM: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| BHO: BS(ENG) | - | - | - | - | - | - | - | - | - | - | - |
| BHO: BS(ECO) | - | - | - | - | - | - | - | - | - | - | - |
IISER Cutoff Rank Round 6
| Program | Gen | Gen-PwD | OBC-NCL | OBC-NCL-PwD | SC | SC-PwD | ST | ST-PwD | EWS | EWS-PwD | KM |
| BPR: BS-MS | 4254 | - | 2379 | - | 965 | - | 475 | - | 769 | - | 50 |
| BHO: BS-MS | 3136 | - | - | - | 692 | - | - | - | 485 | - | - |
| KOL: BS-MS | - | - | - | - | - | - | - | - | - | - | 24 |
| MON: BS-MS | 3034 | 271 | - | - | - | - | - | - | - | - | - |
| PUN: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| TPT: BS-MS | 4184 | 274 | 2318 | - | 944 | - | 472 | - | 762 | - | 47 |
| TVM: BS-MS | 3447 | - | - | - | 848 | - | 417 | - | 625 | - | 46 |
| BHO: BS(ENG) | - | - | - | - | - | - | - | - | - | - | - |
| BHO: BS(ECO) | - | - | - | - | - | - | - | - | - | - | - |
IISER Cutoff Rank Round 5
| Program | Gen | Gen-PwD | OBC-NCL | OBC-NCL-PwD | SC | SC-PwD | ST | ST-PwD | EWS | EWS-PwD | KM |
| BPR: BS-MS | 4139 | - | 2327 | - | 966 | - | 475 | - | 772 | - | 50 |
| BHO: BS-MS | 3042 | 2018 | 1712 | - | 704 | - | - | - | 525 | 204 | 33 |
| KOL: BS-MS | 1801 | 144 | 1369 | - | 502 | - | 276 | - | 373 | - | 24 |
| MON: BS-MS | 2920 | 248 | 1781 | - | 675 | - | 329 | - | 343 | - | 17 |
| PUN: BS-MS | - | - | - | - | - | - | - | - | - | - | - |
| TPT: BS-MS | 4003 | 268 | 2242 | - | 953 | - | 483 | - | 767 | - | 47 |
| TVM: BS-MS | 3355 | 250 | 1409 | - | 858 | - | 417 | - | 625 | - | 46 |
| BHO: BS(ENG) | 2141 | - | - | - | - | - | - | - | - | - | - |
| BHO: BS(ECO) | 2730 | - | 1017 | - | 688 | - | 326 | - | 227 | - | 23 |
IISER Cutoff Rank Round 4
| Program | Gen | Gen-PwD | OBC-NCL | OBC-NCL-PwD | SC | SC-PwD | ST | ST-PwD | EWS | EWS-PwD | KM |
| BPR: BS-MS | 3911 | 242 | 2210 | - | 933 | - | 464 | - | 720 | - | 50 |
| BHO: BS-MS | 2975 | 244 | 1712 | - | 707 | - | 349 | - | 526 | 204 | 33 |
| KOL: BS-MS | 1987 | 158 | 1377 | - | 502 | - | 276 | - | 308 | - | 24 |
| MON: BS-MS | 2694 | 239 | 1711 | - | 679 | - | 333 | - | 473 | - | 17 |
| PUN: BS-MS | 1023 | 133 | 938 | - | 340 | - | 222 | - | 247 | - | - |
| TPT: BS-MS | 3791 | 258 | 2122 | - | 926 | - | 458 | - | 703 | 203 | 47 |
| TVM: BS-MS | 3186 | - | 1634 | - | 846 | - | 426 | - | 625 | - | 46 |
| BHO: BS(ENG) | 2141 | - | 944 | - | 624 | - | - | - | - | - | - |
| BHO: BS(ECO) | 2837 | 102 | 1017 | - | 700 | - | 347 | - | 227 | - | 23 |
IISER Cutoff Rank Round 3
| Program | Gen | Gen-PwD | OBC-NCL | OBC-NCL-PwD | SC | SC-PwD | ST | ST-PwD | EWS | EWS-PwD | KM |
| BPR: BS-MS | 3540 | 236 | 1981 | - | 822 | - | 409 | - | 629 | 281 | 53 |
| BHO: BS-MS | 2680 | 176 | 1518 | - | 643 | - | 268 | - | 463 | 204 | 33 |
| KOL: BS-MS | 1689 | - | 1087 | - | 401 | - | 239 | - | 347 | - | 24 |
| MON: BS-MS | 2548 | 144 | 1571 | 156 | 627 | - | 282 | - | 450 | - | 21 |
| PUN: BS-MS | 757 | - | - | - | 245 | - | - | - | - | - | - |
| TPT: BS-MS | 3435 | 235 | 1894 | - | 833 | - | 415 | - | 642 | 203 | 47 |
| TVM: BS-MS | 2920 | 214 | 1475 | - | 736 | - | 374 | - | 558 | - | 46 |
| BHO: BS(ENG) | 2115 | 90 | 891 | - | 560 | - | 144 | - | 207 | - | - |
| BHO: BS(ECO) | 2755 | 215 | 1016 | - | 652 | - | 326 | - | 306 | - | 23 |
IISER Cutoff Rank Round 2
| Program | Gen | Gen-PwD | OBC-NCL | OBC-NCL-PwD | SC | SC-PwD | ST | ST-PwD | EWS | EWS-PwD | KM |
| BPR: BS-MS | 3275 | 190 | 1801 | - | 771 | - | 369 | - | 601 | 281 | 53 |
| BHO: BS-MS | 2389 | 144 | 1401 | - | 593 | - | 257 | - | 422 | 204 | 33 |
| KOL: BS-MS | 1670 | 119 | 1076 | 223 | 390 | - | 248 | - | 336 | 221 | 28 |
| MON: BS-MS | 2289 | 113 | 1440 | 156 | 551 | 206 | 266 | - | 392 | 153 | 21 |
| PUN: BS-MS | 734 | 43 | 570 | 143 | 231 | 118 | 134 | - | 196 | - | 14 |
| TPT: BS-MS | 3131 | 209 | 1681 | - | 753 | - | 386 | - | 595 | 203 | 47 |
| TVM: BS-MS | 2663 | 158 | 1429 | - | 667 | - | 326 | - | 490 | 275 | 46 |
| BHO: BS(ENG) | 1822 | 87 | 756 | - | 414 | - | 121 | - | 194 | - | - |
| BHO: BS(ECO) | 2016 | 102 | 870 | - | 491 | - | 204 | - | 253 | - | 23 |
IISER Cutoff Round 1
| Program | Gen | Gen-PwD | OBC-NCL | OBC-NCL-PwD | SC | SC-PwD | ST | ST-PwD | EWS | EWS-PwD | KM |
| BPR: BS-MS | 1990 | 68 | 1209 | 199 | 527 | 197 | 225 | - | 388 | 281 | 49 |
| BHO: BS-MS | 1318 | 61 | 933 | 256 | 375 | 179 | 151 | - | 241 | 204 | 27 |
| KOL: BS-MS | 641 | 52 | 534 | 188 | 234 | 128 | 128 | - | 170 | 221 | 19 |
| MON: BS-MS | 1138 | 69 | 959 | 156 | 377 | 130 | 162 | 185 | 256 | 153 | 15 |
| PUN: BS-MS | 259 | 18 | 257 | 44 | 125 | 84 | 54 | 196 | 61 | 115 | 7 |
| TPT: BS-MS | 1881 | 93 | 1166 | - | 531 | 225 | 235 | - | 365 | 203 | 44 |
| TVM: BS-MS | 1538 | 81 | 969 | 175 | 453 | 269 | 191 | - | 307 | 275 | 37 |
| BHO: BS(ENG) | 1177 | 74 | 573 | 125 | 317 | 27 | 96 | - | 162 | 181 | 12 |
| BHO: BS(ECO) | 1424 | 90 | 729 | - | 404 | - | 104 | - | 213 | - | 29 |
IISER 2024 IAT Cutoff (Out)
IISER has released the IAT 2024 Closing Ranks for participating IISER campuses. The table below shows the PDF of IISER Cutoff ranks for download:
IISER 2025 Seat Reservation
In addition to lowering the requirements for admission, IISER has designated places for applicants who are SC, ST, OBC-NC, PWD, and KM (Kashmir Migrant) candidates.
- For pupils who fall under the OBC-NC and PWD categories, there is a 5% relaxation. For candidates from SC, ST categories, and Kashmiri migrants, the cut-off is 55% for all exams in class 12.
The information about reserved places is provided below:
| Category | Percentage of Seats Reserved |
| Scheduled Caste | 15 % |
| Scheduled Tribe | 7.5 % |
| Persons with Disability | 5% (Supernumerary) |
| Other Backward Class - Non-Creamy Layer | 27 % |
| Kashmir Migrants | 3 Seats per IISER (Supernumerary) |
IISER 2025 Eligibility Criteria
Before continuing with the application, applicants must review the IISER 2025 eligibility requirements. The three channels are KVPY, SBC, and JEE Advanced, and the shortlisting procedure varies for each exam based on its level of difficulty.
The key eligibility requirements outlined by the organizing authorities are listed below.
- The maximum age limit for admission through any of the channels has not been stated by IISER.
- The applicants must have earned a 10+2 diploma or its equivalent from a recognized board or institution with the required cut-off scores in Physics, Chemistry, Mathematics, and Biology as required subjects.
- For IISER applications, the applicant must be an Indian national.
- Candidates who hold PIO or OCI status and who are Indian citizens may also apply for IISER 2025. The JEE Advanced channel is the only way international students can apply.
- JEE Advanced Channel: Candidates for the general category must pass JEE Advanced and achieve a rank in the top 10,000 on the Common Rank List (CRL). The category score for SC/ ST/ PWD/ OBC-NCL categories will be taken into account.
- KVPY Channel: Candidates for this category must hold an active KVPY fellowship starting in 21. Candidates will also need to meet the applicable cut-off criteria (in addition).
- SCB Channel: Candidates must have successfully completed or been enrolled in an introductory science course in 2019.
Students who register via the SCB channel must take the IISER Aptitude Test.
IISER 2025 Application Form
Only online applications are accepted for candidates to IISER. When completing the online IISER Application Form 2025, candidates are offered seven options (for both the course and IISER) on seven different IISER campuses.
How to Apply for IISER?
The initial application procedure is the same for all channels, but the later steps vary. Here is the typical first application procedure.
Candidates can register for the IISER entrance exam by following the instructions below.
- Step 1: Go to the IISER's main website. Visit the sign-up website.
- Step 2: Fill in the necessary information, including a working phone number and email address.
- Step 3: After enrollment is complete, login information, including a login ID and password, will be sent via email and SMS.
- Step 4: Log in using the information provided and update the passcode if necessary.
- Step 5: After that, input your personal information and press the "Submit" button.
- Step 6: Enter and send the academic qualification information.
- Step 7: After reading the statement, select "I Agree" after uploading the necessary documents and entering the captcha code.
Documents Required
- The following documents must be submitted by candidates in order to register for IISER.
- Recent jpg/jpeg-formatted passport-size photo (maximum size 200 KB)
- JPEG or jpg version of the candidate's signature (maximum size 200 KB)
- 12th grade or equivalent program PNG, JPEG, or PDF formatted mark sheet
- Proof of Caste (if applicable).
- The PwD Certificate (If applicable).
- Document of Income Tax (If applicable).
IISER 2025 Application Fee
The information about the IISER exam application form fee is given below.
| Category | Application Fee |
| General/OBC/EWS | INR 2000 |
| Reserved Categories and Kashmiri Migrants | INR 1000 |
| Foreign Nationals | INR 1200 |
IISER 2025 Application Form Correction
- Candidates may correct their registration forms by contacting the IISER exam authority. However, there are some facts that cannot be altered.
- The candidates can alter some information, such as their caste certificate, but not others, such as their name, category, or test location.
- When you visit the official website to edit your registration form, you can find all the information there.
IISER 2025 Admit Card
The official website will host the issuance of the admit card. The IISER 2025 login link should be used by students to log in and obtain their admit cards. Additionally, pupils should make at least two copies for their records.
- The student's name, roll number, test location, full address of the exam location, and the date and time of the exam will all be listed on the admit card.
- To participate in the IISER 2025 Aptitude Test, a photo ID must be brought into the examination room with the admit card.
- Candidates should notify the exam conducting authority, IISER Bhopal, as soon as they discover any errors or discrepancies in the downloaded IISER Admit Card 2025 and have them fixed to prevent potential disqualification on the exam day.
- PAN cards, Adhar cards, voter ID cards, etc. are examples of photo ID evidence.
IISER 2025 Exam Pattern
The exam pattern of IISER 2025 includes 4 subjects; Physics, Chemistry, Mathematics, and Biology.
| Exam Mode | Online - Computer-Based Test (CBT) |
| Question Type | Multiple Choice Question (MCQ) |
| Duration of Exam | 180 Minutes |
| Total Number of Questions | 60 |
| Total Marks | 180 |
Marking Pattern | Correct Answer: + 3 Marks |
| Incorrect Answer: - 0.75 Mark |
| Medium | English |
IISER 2025 Marking Scheme
The table below shows the exam's sectional structure.
| Section | Number of Questions | Maximum Marks |
| Physics | 15 | 45 |
| Chemistry | 15 | 45 |
| Mathematics | 15 | 45 |
| Biology | 15 | 45 |
| Total | 60 | 180 |
IISER 2025 Exam Centres
When completing the IISER 2025 test application form, candidates must select an exam center from the list of available exam centers. The locations where IISER 2025 will be administered are spread out across India, and the allocation of seats is dependent on the number of seats that are available at each location.
Below are the exam centers for IISER 2025:
| Bangalore | Hyderabad | Baroda | Nagpur |
| Bhubaneswar | Kolkata | Mumbai | Calcut |
| Bhopal | Mohali | Chennai | Pune |
| Delhi | Thiruvananthapuram | Guwahati | Vijayawada |
The candidate will be assigned an alternative center, and this information will be communicated in due course if any of the centers cannot perform the exam due to unforeseeable circumstances. In this respect, there is no room for objection.
IISER 2025 Syllabus
The NCERT curriculum for classes 11 and 12 of the aforementioned topics serves as the basis for the syllabus for the IISER 2025 admission test. The IISER Aptitude test is more challenging than KVPY and JEE Advanced, for another reason.
The full IISER 2025 syllabus, organized by subject, is as follows:
| Subjects | Topics |
| Mathematics | Trigonometric functions, Sets, Relations and Functions, Inverse Trigonometric Functions, Linear Inequalities, Permutations and Combinations, Binomial Theorem, Sequences and Series, Straight Lines, Conic Sections, Introduction to Three-Dimensional Geometry, Limits, and Derivatives, Mathematical Reasoning Statistics, etc. |
| Chemistry | States of Matter, Atomic Structure, Classification of Elements, Periodicity in Properties, Chemical Bonding and Molecular Structure, Some Fundamental Concepts of Chemistry, Atomic Structure Equilibrium, redox reactions, and thermodynamics The s-block elements, the p-block elements, and hydrogen Organic Chemistry: Some Fundamental Concepts and Methods Chemical kinetics, electrochemistry, the solid-state solutions, environmental chemistry, surface chemistry, and hydrocarbons are a few examples. |
| Biology | DNA, evolution, and reproduction Biodiversity and human wellbeing, applications of biotechnology, the climate and ecology In the living universe, diversity Animal and plant structural structure, cell morphology, and function, human physiology and plant metabolism. |
| Physics | Laws of Motion, Work, Energy and Power, Motion of Systems of Particles and Rigid Bodies, Gravitation Properties of Bulk Matter, Thermodynamics, Behavior of Perfect Gas and Kinetic Energy, Optics, Dual Nature of Radiation and Matter, Atoms Nuclei, Electronic Devices, Communication Systems, Physical World, and Measurement Kinematics. |
IISER 2025 Books For Preparation
The IISER reference books 2025 will aid candidates in getting ready for the test. In addition to studying the previous year's IISER question papers and 10+2 study materials, candidates are advised to use the below-mentioned IISER test books to prepare for the IISER 2025 exam. In this article, we have curated a list of reference books for the IISER exam.
| Subjects | Books | Authors |
| Mathematics | Problems Plus in IIT Mathematics | A Das Gupta |
| Problems in Calculus of One Variable | I. A. Maron |
| Trigonometry | S L Loney |
| Higher Algebra | Hall and Knight |
| Physics | NCERT Physics Book Class 11th and 12th |
| Concepts of Physics Volume I & II | HC Verma |
| Fundamentals of Physics | Halliday, Resnik, and Walker |
| Problems in General Physics | I.E. Irodov |
| Understanding Physics Series | DC Pandey |
| Chemistry | Concise Inorganic Chemistry for Jee, Third Edition 2016 | JD Lee |
| NCERT Chemistry Book 11th and 12th |
| Inorganic Chemistry For IIT-JEE | O.P. Tandon |
| Organic Chemistry | Morrison and Boyd |
| Numerical Chemistry | P Bahadur |
| Chemical Calculations | R C Mukherjee |
IISER 2025 FAQs
Ques. What is IISER's SCB Channel?
Ans. SCB is short for state and central board. This is for applicants who lack a KVPY scholarship or who failed the IISER.
Ques. What types of courses are offered by IISER?
Ans. Courses offered by IISER in 2025 include a 5-year integrated BS-MS degree and a 4-year BS program (IISER Bhopal).
Ques. Is IISER application form 2025 released?
Ans. IISER 2025 Application Form was released on March 10, 2025. The last date to fill application was April 15, 2025.
Ques. Can a 2-year dropper take IISER IAT?
Ans. No, candidates who have taken two-year drop cannot take admission into IISER. Candidates who have taken their 12th exam in the current year or the previous year are the only ones eligible for admission.
Ques. Is there a negative grading policy for the IISER 2025 aptitude test?
Ans. Each incorrect response will result in a deduction of 0.75 points.
Ques. What is the exam format of IISER 2025 aptitude exam?
Ans. The IISER 2025 aptitude exam will be conducted online (CBT).