There are a total of seven IISER institutes in India which provide admissions to the research-based courses at UG, PG and Phd Level. Being recognised as the finest research-based institutions in India, check out the courses offered, fees, admission process and placement offerings in these institutes.
Indian Institutes of Science Education and Research (IISER) is a premier research institute for India for Science students. There are seven IISERs in India. The institute is established by Government of India. IISER Pune, IISER Kolkata, IISER Mohali and IISER Bhopal are the top Science institutes with NIRF ranking below 100. At IISR, UG, PG and Research programs are offered.
Also Read: IISER Entrance Exam Participating Institutes 2026
The courses offered at IISERs are Biological Sciences, Chemical Sciences, Data Science, Earth & Climate Sciences/Earth & Environmental Sciences, Economic Sciences, Engineering Sciences (Chemical Engineering, Data Science & Engineering, Electrical Engineering and Computer Science), Geological Sciences, Mathematical Sciences and Physical Sciences. Candidates need to note that Engineering Sciences and Economic Sciences courses are offered at IISER Bhopal only.
In this article, aspirants can go through the list of IISERs in India along with information regarding their admission process, cutoffs, placements and fees.
- How to Get Admission in IISERs?
- List of IISERs in India
- Details about IISERs in India
- IISER Pune
- IISER Kolkata
- IISER Mohali
- IISER Bhopal
- IISER Thiruvananthapuram
- IISER Tirupati
- IISER Berhampur
- IISER 2026 Cut Off (Expected)
- IISER 2026 Marks vs Rank
How to Get Admission in IISERs?
IISER offers UG, PG, and Phd courses. Admission to these courses is based on an entrance test. The institute conducted IISER Aptitude Test for admission to UG courses. Postgraduate and PhD courses are offered through IIT JAM and JEST. There might be a department exam or an interview for PhD courses. The notification regarding admission will be released on the IISER website. Students who fulfil the eligibility criteria should follow the admission process for IISER admission.
Candidates can check out the IISER Aptitude Test Timeline 2026 from below:
| IISER Entrance Exam 2026 Events | IISER 2026 Dates |
|---|---|
| IISER Entrance Exam Date 2026 | June 7, 2026 |
| IISER Entrance Exam 2026 Answer Key | May 2026 (After the successful conduct of the examination) |
| IISER 2026 Result | June 2026 |
| IISER 2026 Counselling Registration | June 2026 |
| IISER 2026 First Seat Allotment Result | June 2026 |
Also Read: IISER 2026 Marks vs Rank: Check IAT 2026 Opening and Closing Ranks Here
Aspirants can get admission to undergraduate programs at IISERs based on their performance in the IISER Entrance Exam. The science entrance exam will be conducted on June 7, 2026. The IISER exam duration is three hours and consists of questions from four subjects:
Get more details about the IISER entrance exam by clicking the links below:
Commonly asked questions
Following the previous years' trends, the exam officials release the round-wise IISER institute-wise closing ranks. IAT cutoff marks refer to the minimum marks test takers need to score to get admission in the programmes offered by the participating institutes.
IISERs offer admission into courses leading to BSMS Dual Degree and BS Degree (only at IISER Bhopal) Programs. Below are the programmes offered by IISERs:
- Biological Sciences
- Chemical Sciences
- Earth & Climate Sciences/Earth & Environmental Sciences
- Economic Sciences
- Engineering Sciences (Chemical Engineering, Data Science & Engineering, Electrical Engineering & Computer Science)
- Geological Sciences
- Integrated & Interdisciplinary Sciences (Biological Sciences, Chemical Sciences, Mathematical Sciences, Physical Sciences)
- Mathematical Sciences
- Physical Sciences.
Earlier, there were three channels through which candidates could get admissions to the courses offered at IISER institutions, IISc Bangalore and IIT Madras. From the academic session 2025, admissions are done through the IAT exam channel only, and the other two channels, including JEE Main and KVPY scores, have been discontinued.
Earlier, IISER admission took place through three channels, IISER Entrance Exam, JEE Main and KVPY scores. Last year onwards, the admission takes place only through IISER entrance exam scores. Hence, JEE Main scores or ranks will not be considered for admission.
List of IISERs in India
Below is the list of IISERs that are located in India:
| IAT 2026 Participating Institutes | NIRF Ranking 2025 |
|---|---|
| IISER Pune | 29 |
| IISER Kolkata | 38 |
| IISER Mohali | 49 |
| IISER Bhopal | NA |
| IISER Thiruvananthapuram | NA |
| IISER Tirupati | NA |
| IISER Berhampur | NA |
Details about IISERs in India
Here is the list of detailed information about the IISERs:
Explore colleges based on IISER Entrance Exam
IISER Pune
A research-intensive teaching institute, IISER Pune, was established in 2006 and started functioning from its NCL campus. Now, IISER Pune is spread across an area of 98 acres. The current campus of IISER Pune has 37,000 sq m of academic space in addition to 80,000 sq m of residential space.
IISER Pune is a member of the Association of Indian Universities, and since its inception, the institute has published 2,000 research papers. Facilities offered at IISER Pune include Research Labs (Physics, Chemistry, Biology), National Facility for Gene Function in Health and Disease (NFGFHD), Library, Career Development Centre (CDC) and hostels. The library at IISER Pune houses 25,000 books, 6,000 e-books, 3,000 e-journals, 50 print journals, 250 PhD thesis, 759, MS thesis and 4,000 digital repository books.
IISER Pune has six departments, which are listed below:
- Department of Biology.
- Department of Chemistry.
- Department of Earth and Climate Science.
- Department of Humanities and Social Sciences (HSS).
- Department of Mathematics.
- Department of Physics.
Courses offered at IISER Pune
Students can go through the list of courses offered at IISER Pune in the table below:
| Courses Offered | Admission Through |
|---|---|
| 5 year BS-MS dual Degree Programme | |
| Masters' Programme (MS) in Quantum Technology |
Directly apply through the website |
| Master's Programmes in Chemistry, Geology, and Mathematics |
Through IIT JAM Scorecard |
| Integrated PhD programmes in Biology, Physics, Chemistry and Mathematics | Applying does not automatically guarantee that a candidate will be shortlisted for an interview. Depending on the number of applications received, respective departments may use additional criteria (academic performance and/or ranking in respective national-level tests like JGEEBILS / JAM / NBHM / JEST) to shortlist candidates for interviews. |
| PhD Programmes in Biology, Chemistry, Data Science, Earth and Climate Science, Physics, Mathematics and Humanities and Social Sciences. | Qualified for a National Eligibility exam that provides a 5-year Ph.D. fellowship, such as CSIR–JRF/ UGC–JRF/ DBT–JRF–A / ICMR–JRF / DBT–BINC–JRF/ Rajiv Gandhi National Fellowship / Maulana Azad National Fellowship / National Fellowship for Scheduled Caste Students by CSIR-UGC / National Fellowship for Higher Education of ST Students / National Fellowship for OBC Candidates / National Fellowship for persons with disabilities (NFPWD). The fellowships must be valid on August 01, 2026. |
| Externally Funded PhD Programme in Biology, Chemistry, and Data Science |
|
For more details on IISER Pune, click the links below:
IISER Kolkata
Established in 2006 by the Government of India, IISER Kolkata is functioning from its main campus located in Mohanpur, Nadia. IISER Kolkata has three hostels, which are the Netaji Subhas Chandra Bose Hall, the Ishwar Chandra Vidyasagar Hall and the Nivedita Hall. The library at IISER Kolkata has more than 29,000 books; this number includes 16,500+ print books and 13,000+ e-books.
Apart from this, research facilities available at IISER Kolkata include CHN Analyzer, Digital Polarimeter (Rudolph), Electronic Paramagnetic Resonance Spectrometer (EPR), Matrix-Assisted Laser Desorption Ionisation (MALDI), Differential Scanning Calorimeter (DSC), Field Emission Scanning Electron Microscope (FESEM), Fluorescence-Lifetime Imaging Microscopy (FLIM), Fluorescence Spectrometer, Get Permeation Chromatograph (GPC), High-Performance Liquid Chromatograph, and the like.
There are six departments at IISER Kolkata, which are listed below:
- Department of Biological Sciences.
- Department of Chemical Sciences.
- Department of Earth Sciences.
- Department of Mathematics and Statistics.
- Department of Physical Sciences.
Courses offered at IISER Kolkata
Students can go through the list of courses offered at different departments of IISER Kolkata in the table below:
| Courses Offered | Admission Through |
|---|---|
| BS-MS Dual degree Programme in Biological, Chemical, Geological, Mathematical and Physical Sciences |
IISER Entrance Exam 2026 |
| Master of Science in Chemical and Mathematical Sciences | Directly apply through the website |
| MS in Space Science | Based on the evaluation of applications following an admission call, some candidates are short-listed and called for interview. Recommendation letters may be sought for short-listed candidates. Final selection is based on the performance in the interview, academic background of the candidate and any other criterion determined by the selection committee. No candidate may be selected if suitable candidates of sufficient quality are not found. |
| Integrated PhD programme in Biological, Geological, and Physical Sciences. | |
| PhD programme Research Areas: Biological Sciences, Chemical Sciences, Computational and Data Sciences, Geological Sciences, Humanities and Social Sciences, Mathematical Sciences, Physical Sciences and Space Sciences |
Qualified a National Eligibility exam that provides a 5-year Ph.D. fellowship such as CSIR–JRF/ UGC–JRF/ DBT–JRF–A / ICMR–JRF / DBT–BINC–JRF/ Rajiv Gandhi National Fellowship / Maulana Azad National Fellowship |
For more details on IISER Kolkata, click the links below:
IISER Mohali
Established in 2007 with a batch of 25 students, IISER Mohali only offered BS-MS dual degree programme to aspirants. In 2008, the institute started offering a PhD programme and in 2012 integrated PhD programme.
Currently located at Knowledge City, IISER Mohali offers education to students from a fully residential campus that is spread across an area of 125 acres. IISER Mohali has six departments as listed below:
- Department of Physical Sciences.
- Department of Biological Sciences.
- Department of Earth & Environmental Sciences.
- Department of Humanities & Social Sciences.
- Department of Chemical Sciences.
- Department of Mathematical Sciences.
Courses offered at IISER Mohali
| Courses Offered | Admission Through |
|---|---|
| BS-MS Dual Degree Programme | IAT Channel |
| Integrated PhD programme | Directly apply through the official website |
| PhD Programme | Directly apply through the official website |
For more details on IISER Mohali, click the links below:
IISER Bhopal
Established in 2008, IISER Bhopal is spread across an area of 200 acres. IISER Bhopal secured Rank 27 in NIRF Rankings 2018. The institute has three Centres of Excellence, which are the Centre for Research on Environment and Sustainable Technologies (CREST), the Centre for Research in Advanced Technology for Education in Science (CREATES) and the Centre for Science and Society (CS2). Apart from this, IISER Bhopal has 10 departments, which are listed below:
- Department of Biological Sciences.
- Department of Chemistry.
- Department of Earth and Environmental Sciences.
- Department of Mathematics.
- Department of Physics.
- Department of Chemical Engineering.
- Department of Data Science & Engineering.
- Department of Electrical Engineering & Computer Science.
- Department of Economic Sciences.
- Department of Humanities & Social Sciences.
Courses offered at IISER Bhopal
Students can go through the list of courses offered at IISER Bhopal in the table below:
| Integrated PhD |
PhD in Chemical Engineering |
| PhD in Biological Sciences |
PhD in Earth and Environmental Sciences |
| PhD in Chemistry |
PhD in Physics |
| PhD in Economic Sciences |
PhD in Mathematics |
| PhD in Humanities and Social Sciences |
PhD in Electrical Engineering and Computer Science |
For more details on IISER Bhopal, click the links below:
IISER Thiruvananthapuram
Established in 2008, IISER Thiruvananthapuram (TVM) is spread over an area of 200 acres. IISER TVM has a hostel with a capacity to provide accommodation to 1,050 male and female students. There are four departments at the IISER TVM campus, which are listed below:
- School of Biology.
- School of Chemistry.
- School of Physics.
- School of Mathematics.
Courses offered at IISER Thiruvananthapuram
Students can go through the list of courses offered at IISER Thiruvananthapuram in the table below:
- BS-MS in Biological Sciences
- BS-MS in Physical Sciences
- BS-MS in Mathematical Sciences
- BS-MS in Chemical Sciences
- MS in Biological Sciences
- MS in Mathematical Sciences
- MS in Physical Sciences
- MS in Chemical Sciences
- MS in Data Sciences
- PhD Programme
Offered Majors- Biological, Mathematical, Physical, Chemical, and Data Sciences.
For more details on IISER Thiruvananthapuram, click the links below:
IISER Tirupati
Established in 2015, IISER Tirupathi was the sixth institute to be established by the Government under the chain of IISERs. The permanent campus of IISER Tirupathi is close to IIT Tirupati. IISER Tirupati offers a hostel facility to its students. The hostel on the campus of IISER Tirupati has 184 rooms. The science institute also has a well-established library with 7,580 print books, 2,000 e-journals, 47 print journals and 4 bibliographic databases.
Courses offered at IISER Tirupati
Students can go through the list of courses offered at IISER Tirupati in the table below:
- BS-MS in Biological Sciences
- BS-MS in Mathematical Sciences
- BS-MS in Physical Sciences
- BS-MS in Chemical Sciences
- PhD Programme
Offered Majors- Biological, Chemical, Mathematical, Physical, Earth and Climate Sciences
For more details on IISER Tirupati, click the links below:
IISER Berhampur
Established in 2016, IISER Berhampur offers BS-MS dual degree programmes and PhD programmes to aspirants. IISER Berhampur has a well-equipped library that houses 2,800 books, 10 magazines, two print journals and 1,707 e-journals. The institute has six hostels, which are Ananya Aangan- Girl's Hostel I, Govt. Polytechnic- Girl's Hostel II, River Dale- Boy's Hostel I, White Building- Boy's Hostel II, Gajapati Nagar- Boy's Hostel III, Hill Patna- Boy's Hostel IV, Shiv Padma- Boy's Hostel V and Giri Road- Girls Hostel III.
IISER Berhampur has four faculties, which are mentioned below:
- Faculty of Biological Sciences
- Faculty of Mathematical Sciences
- Faculty of Physical Sciences
- Faculty of Chemical Sciences
Courses offered at IISER Berhampur
Students can go through the list of courses offered at IISER Berhampur in the table below:
- BS-MS in Biological Sciences
- BS-MS in Physical Sciences
- BS-MS in Mathematical Sciences
- BS-MS in Chemical Sciences
- PhD Programme
Offered Majors- Mathematical, Biological, Chemical, Physical Sciences
For more details on IISER Berhampur, click the links below:
IISER 2026 Cut Off (Expected)
Candidates must note that the scores mentioned below are for UR candidates, and can check the category-wise good scores in the article below:
| IISER 2026 Cutoff (Expected) | |
|---|---|
| IISc Bangalore |
200-190 |
| IIT Madras |
185-175 |
| IISER Pune |
170-160 |
| IISER Bhopal |
140-135 |
| IISER Kolkata |
160-155 |
| IISER Mohali |
140-132 |
| IISER Tirupati |
120-115 |
| IISER Berhampur |
110-95 |
IISER 2026 Marks vs Rank
Candidates can check IISER marks vs rank to know what rank they may get based on their IAT score. Knowing the marks vs rank students can plan their preparation accordingly. IAT score 200+ will get you rank between 1 to 80. This is considerd a good rank. The ranks in IISER entrance exam is based on the score from the four sections (Physics, Chemistry, Mathematics and Biology). The exam comprises 60 questions with a total score of 240 marks. Below is a table for the expected IISER 2026 ranks corresponding to different score ranges.
| IISER Score (Out of 240) | Expected IISER 2026 Rank |
|---|---|
| 200 and above | Rank 1 to 80 |
| 200-160 | Rank 81- 200 |
| 160- 110 | Rank 201 to 800 |
| 110-95 | Rank 800 to 1500 |
| 95-75 | Rank 1500- 2000 |
| < 60 | Above 2000 |
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Student Forum
Answered Yesterday
Students can create an IISER login id and password during registration. The details required to register for IISER are Name, Date of birth, gender, citizenship status, mobile number, and email address.
V
Contributor-Level 10
Answered Yesterday
No, IISER registration was over on April 13, 2026. Students were able to register for IAT 2026 from March 5 to April 13.
V
Contributor-Level 10
Answered Yesterday
IAT user id is (application number / registration number). It is created during the IISER registration process. After the registration is over, user id and password are sent to the registered email address and mobile number.
V
Contributor-Level 10
Answered a month ago
IISER answer key will be released on June 7, 2026. Candidates can download the answer key online. The answer key challenge window will open on June 9, 2026.
V
Contributor-Level 10
Answered a month ago
The IISER exam date is June 7, 2026. The exam will commence at 9 AM and continue till 12 PM. It is a computer-based test.
V
Contributor-Level 10
Answered 2 months ago
IISER score 200 or above is a good marks. It can help to get admission to IISER Pune and IISc Bangalore. Candidates must have a good conceptual knowledge, give priority to all four subjects. Prepare for the exam according to the exam syllabus and take mock test to score above 200.
V
Contributor-Level 10
Answered 2 months ago
Based on previous year analysis, IAT exam is moderately difficult. It requires strong conceptual knowledge. Students who have prepared properly for exam can easily score good marks.
V
Contributor-Level 10
Answered 2 months ago
It is quite difficult for the GEN / OBC category to get admission to IISER with 50 marks. Even the reserved category students have less chance in the later counelling round for admission. To secure admission, students must score above 150 marks.
V
Contributor-Level 10
Answered 2 months ago
IISER exam is considered of moderate difficulty level. Majority of students finds Physics, and Mathematics challenging. PCM students may find biology tough while PCB students might find Mathematics tough. However, the difficulty level of IISER compared to JEE Main and Advanced is moderate to easy.
V
Contributor-Level 10
Answered 2 months ago
The last date to apply for IISER 2026 was April 13, 2026. IAT application form was available on the website, iiseradmission.in.
V
Contributor-Level 10

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