Starting from April 15, 2023, the Indian Institute of Science Education and Research (IISER) will accept applications for the IISR Aptitude Test (IAT) 2023, which will be conducted on June 17, 2023, through iiseradmission.in. The IAT 2023 exam will be a computer-based test, held across multiple centers in India, and will have a duration of 180 minutes. The exam will consist of 60 multiple-choice questions (MCQs), with 15 questions each from Biology, Chemistry, Mathematics, and Physics.
What is IISER Aptitude Test?
The IISER Aptitude Test is an entrance exam conducted by the Indian Institutes of Science Education and Research (IISERs) to provide admission to candidates in the five-year BS-MS dual degree program offered by them. The exam is also known as the IISER entrance exam. Candidates who have completed their Class 12 in the science stream are eligible to apply for the exam. The exam consists of 60 objective questions that need to be completed within three hours. Based on their score in the IISER Aptitude Test, candidates can secure admission at IISERs located in Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, or Tirupati.
Eligibility for IISER Aptitude Test
To be eligible for the IISER entrance exam in 2023, candidates must have appeared for or passed their class 12th or equivalent exam in the science stream in either 2022 or 2023. During their class 12th or equivalent exam, candidates must have studied at least three subjects from Biology, Chemistry, Mathematics, and Physics.Â
IISER Entrance Exam 2023 Exam Dates & Schedule
Take a look at the table below for the complete schedule of IISER Entrance Exam 2023 exam
Dates
Upcoming Exam Dates
15 Apr ’23 – 25 May ’23: IISER Aptitude Test 2023 Registration
28 May ’23 – 29 May ’23: IISER Aptitude Test 2023 Application Correction
10 June’23: IISER Entrance Exam Admit Card 2023
17 Jun ’23: IISER Exam 2023 Answer Key
17 Jun ’23: IISER Aptitude Test 2023
3 Jul ’23: IISER 2023 Entrance Result Date
15 Jul ’23: IISER Admission Test 2023 First Round Of Admissions
IAT 2023 Marking Scheme
- 4 marks will be awarded for each correct answer.
- For each wrong answer, 1 mark will be deducted.
- Unanswered questions will be awarded 0 marks.
Currently, there are seven IISERs spread all across the country.Â
IISER Admissions
The IISER Entrance Exam is the basis for admission to any of the IISERs. Typically, this science entrance exam is held in May every year and has a duration of three hours. It comprises questions from four subjects:
- Biology
- Chemistry
- Physics
- Mathematics
List of IISERs in India
Here is the list of detailed information about the IISERs:
IISER Pune
Established in 2006, IISER Pune is a research-intensive teaching institute that began functioning from its NCL campus. It has since expanded to a 98-acre campus that includes 37,000 sq m of academic space and 80,000 sq m of residential space. IISER Pune is a member of the Association of Indian Universities and has published 2,000 research papers since its inception. The institute offers several facilities, such as research labs for Physics, Chemistry, and Biology, a National Facility for Gene Function in Health and Disease (NFGFHD); a library; a Career Development Center (CDC), and hostels. The library at IISER Pune is well-stocked, with 25,000 books, 6,000 e-books, 3,000 e-journals, 50 print journals, 250 PhD theses, 759 MS theses, 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:
- BS-MS
- MSc Chemistry
- MSc Mathematics
- MSc Earth and Climate Sciences
- PhD Programme
 Offered Majors- Biology, Chemistry, Data Science, Earth and Climate Sciences, Mathematics and Physics.
IISER Kolkata
IISER Kolkata was established by the Indian Government in 2006 and is located in Mohanpur, Nadia. The campus has three hostels – The Netaji Subhas Chandra Bose Hall, the Ishwar Chandra Vidyasagar Hall, and the Nivedita Hall. The library at IISER Kolkata contains over 29,000 books, including more than 16,500 print books and 13,000 e-books. The institute has various research facilities such as the CHN Analyzer, Digital Polarimeter (Rudolph), Electronic Paramagnetic Resonance Spectrometer (EPR), Matrix-Assisted Laser Desorption Ionization (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 more.
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:
         Offered Majors- Biological, Chemical, Geological, Mathematical and Physical Sciences.
IISER Mohali
IISER Mohali, which began with 25 students in 2007, initially offered only the BS-MS dual degree program and later added PhD and integrated PhD programs in 2008 and 2012, respectively. The institute is now situated in Knowledge City and offers a fully residential campus to its students, covering an area of 125 acres. IISER Mohali has six departments, which are:
- 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
Students can go through the list of courses offered at IISER Mohali in the table below:
         Offered Majors- Biological, Chemical, Mathematical and Physical Sciences.Â
IISER Bhopal
IISER Bhopal, established in 2008, covers an extensive area of 200 acres and was ranked 27th in the NIRF Rankings 2018. The institute is equipped with three Centers of Excellence: the Center for Research on Environment and Sustainable Technologies (CREST), the Center for Research in Advanced Technology for Education in Science (CREATES), and the Center for Science and Society (CS2). Additionally, IISER Bhopal has 10 departments, which are mentioned 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:
BS-MS in Biological Sciences |
BS-MS in Chemistry |
BS-MS in Earth & Environmental Sciences |
BS-MS in Mathematics |
BS-MS in Physics |
BS in Electrical Engineering & Computer Science |
BS in Economics Sciences |
BS in Chemical Engineering |
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 |
IISER Thiruvananthapuram
IISER Thiruvananthapuram (TVM) was established in 2008 and is located on a 200-acre campus. The institute has a hostel that can accommodate up to 1,050 male and female students. IISER TVM has four departments, which are listed below:
- School of Biology
- School of Chemistry
- School of Physics
- School of MathematicsÂ
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, Data Sciences.
IISER Tirupati
IISER Tirupathi, established in 2015, is the sixth institute in the IISER chain set up by the Government of India. The permanent campus of IISER Tirupathi is located in close proximity to IIT Tirupati. The institute provides hostel facilities to its students, with a total of 184 rooms available on campus. Additionally, IISER Tirupathi has a well-stocked 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
IISER Berhampur
IISER Berhampur, established in 2016, offers BS-MS dual degrees and PhD programs. The institute boasts a well-equipped library with 2,800 books, 10 magazines, two print journals, and 1,707 e-journals. It also has six hostels for students, including 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    Â
- Faculty of Mathematical Sciences
- Faculty of Physical Sciences       Â
- 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