IISER IAT 2027: Notification Expected Jan 2027, Eligibility, Syllabus, Cutoff and Counselling

IISER IAT 2027 will be conducted by the seven Indian Institutes of Science Education and Research for admission to the BS-MS dual degree and other undergraduate science programmes. More than 70,000 candidates appeared for the 2026 exam, competing for around 2,338 seats across seven IISER campuses. The 2027 cycle is yet to begin; based on past trends, the notification is expected by January–February 2027 at the official portal iiseradmission.in.

• Notification: IISER IAT 2027 notification is expected in January–February 2027. In 2026, the notification was released in February 2026 with registration opening on 5 March 2026.
• Application Window: IAT 2027 registration is expected to open in March 2027 and close by April 2027. In 2026, applications were accepted from 5 March to 13 April 2026 with a correction window on 13–16 April. The fee for General/OBC/EWS candidates is ₹2,000.
• Exam Date: IISER IAT 2027 exam is expected in June 2027 as a 3-hour Computer-Based Test. The 2026 exam was held on 7 June 2026 from 9:00 AM to 12:00 Noon with 60 questions across four subjects.
• Counselling: IISER 2027 counselling is expected in July–September 2027 with 8–9 seat allotment rounds. IISER Pune typically closes below AIR 200 for the General category, making it the most competitive campus.

What is IISER?

The Indian Institute of Science Education and Research (IISER) is a network of seven premier autonomous science institutes established by the Ministry of Education, Government of India. The IISERs were set up to produce world-class scientists by integrating high-quality undergraduate science education with cutting-edge research from the very first year of study — a model inspired by the Indian Institute of Science (IISc), Bangalore.

The seven IISERs are located in Berhampur (Odisha), Bhopal (Madhya Pradesh), Kolkata (West Bengal), Mohali (Punjab), Pune (Maharashtra), Thiruvananthapuram (Kerala), and Tirupati (Andhra Pradesh). Each institute offers the flagship BS-MS dual degree programme — a 5-year integrated course combining a Bachelor of Science and a Master of Science, with a research component woven throughout. Some IISERs also offer a 4-year BS programme and BTech programmes.

Admission to all seven IISERs is centralised through a single portal, iiseradmission.in. Candidates apply through two channels: the IISER Aptitude Test (IAT) or a qualifying JEE Advanced rank. More than 70,000 candidates appeared for the 2026 exam for approximately 2,338 seats — roughly 30 applicants per seat — making the IISER IAT one of India’s most competitive science entrance examinations.

IISER IAT 2027 Important Dates

The IISER IAT 2027 official schedule has not been announced yet. All dates below are expected timelines based on the 2026 cycle. The official notification and confirmed dates will be published at iiseradmission.in when available.

All 2027 dates are tentative. Verify the confirmed schedule at iiseradmission.in before taking any action.

Source: iiseradmission.in — Official IISER Admission Portal

IISER 2027 Admission Channels

There are two ways to get admission to IISER programmes in 2027: through the IISER Aptitude Test (IAT) or through a valid JEE Advanced rank. Both channels lead to the same centralised counselling process at iiseradmission.in.

Channel 1: IISER Aptitude Test (IAT)

The IAT is the most common route. It is a 3-hour computer-based test with 60 questions from Biology, Chemistry, Mathematics, and Physics — 15 questions from each subject. Any eligible Class 12 student can appear for the IAT regardless of whether they have also prepared for JEE. The test is held once a year, typically in June.

The IAT’s biggest difference from JEE is that it includes Biology as a full section carrying equal weight to Mathematics and Physics. Students from the PCB stream who have also studied Mathematics, or PCM students willing to revise Class 12 Biology, have a clear advantage over pure JEE-focused candidates.

Channel 2: JEE Advanced

Candidates with a valid JEE Advanced rank can apply directly to IISER without appearing in the IAT. Each year, IISER announces a JEE Advanced eligibility cutoff rank. Candidates with a rank equal to or better than this cutoff can register during the IISER counselling window and participate in seat allotment alongside IAT candidates.

In recent years, the JEE Advanced cutoff for IISER admission eligibility has typically been around AIR 5,000–10,000 for General category candidates, though the exact figure varies each year. The official 2027 JEE Advanced cutoff will be announced in the IISER IAT 2027 notification at iiseradmission.in.

Note: KVPY (Kishore Vaigyanik Protsahan Yojana) was the third admission channel for IISER until 2022. It was discontinued after 2022, and KVPY scores are no longer valid for IISER admission from 2023 onwards.

IISc Bangalore: Also Accepts IAT Scores

In addition to the seven IISERs, the Indian Institute of Science (IISc) Bangalore accepts IAT scores for its 4-year BS Research programme. Candidates interested in IISc can indicate this preference during the IAT counselling registration. IISc announces its own score-based cutoff from the IAT merit list. In 2026, the IISc General category IAT score cutoff was 54 marks out of 240.

IISER IAT 2027 Eligibility Criteria

You must meet the following eligibility requirements to apply for IISER IAT 2027. Read these carefully before filling the application form, as ineligible applications are rejected without refund.

Academic Qualification

• You must have passed Class 12 (or equivalent) from any recognised board, or be appearing in Class 12 in the same academic year as the IAT.
• Your Class 12 subjects must include Physics, Chemistry, and at least one of Mathematics or Biology.
• General / EWS / OBC / OBC-NCL candidates: Minimum 60% aggregate marks in Class 12.
• SC / ST / PwD candidates: Minimum 55% aggregate marks in Class 12.

Year of Passing Class 12

You can appear for the IAT in the year you pass Class 12 or in the immediately following year. Students who passed Class 12 two or more years before the exam year are generally not eligible. The exact year-of-passing restriction for 2027 will be confirmed in the official IISER IAT 2027 notification.

Age Limit

There is no upper age limit for IISER IAT 2027. Any candidate who meets the academic qualification can apply, regardless of age.

Nationality

• Indian citizens can apply under the standard quota.
• Persons of Indian Origin (PIO) and Overseas Citizens of India (OCI) are also eligible.
• Foreign Nationals can apply under a separate foreign national quota with a higher application fee of ₹12,000.

IISER IAT 2027 Application Process and Fees

The IISER IAT 2027 application form will be available on the official portal, iiseradmission.in. The entire process is online. Based on the 2026 cycle, applications are expected to open in March 2027.

How to Fill the IISER IAT 2027 Application Form

1. Register on the portal: Create a new account on iiseradmission.in using a valid email ID and mobile number. Keep these credentials safe — you will need them throughout the admission process.
2. Fill in your details: Enter personal information (name, date of birth, address, category), academic details (Class 10 and Class 12 marks, board, year of passing), and your preferred exam city.
3. Upload documents: Upload scanned copies of your recent passport-size photograph (JPG format, up to 80 KB), your signature (JPG, up to 30 KB), your Class 10 certificate, and your Class 12 marksheet if already passed.
4. Pay the application fee: Pay online through net banking, UPI, credit card, or debit card. The fee is non-refundable.
5. Download the confirmation page: Save and print the application confirmation page as proof of submission.

The application fee is non-refundable under any circumstances. Check all personal and academic details carefully before submitting the form.

IISER IAT 2027 Application Fee

Fees shown are based on the 2026 cycle. The confirmed 2027 fee structure will be published in the official notification at iiseradmission.in.

IISER IAT 2027 Syllabus

The IISER IAT 2027 syllabus covers topics from the NCERT Class 11 and Class 12 curriculum for all four subjects. The 2026 exam followed the rationalized NCERT syllabus applicable for the 2025–26 academic year. The 2027 syllabus will follow the version applicable for 2026–27; download the official information bulletin from iiseradmission.in for the exact confirmed topic list once it is released.

Mathematics

• Sets, Relations and Functions
• Matrices and Determinants
• Permutations and Combinations
• Binomial Theorem, Sequences and Series
• Complex Numbers and Quadratic Equations
• Coordinate Geometry: Straight Lines, Circles, Conics
• Limits, Continuity, and Differentiability
• Applications of Derivatives, Integration, and Definite Integrals
• Differential Equations
• Vectors and 3D Geometry
• Statistics, Probability, and Linear Programming

Chemistry

• Some Basic Concepts of Chemistry
• Structure of Atom and Periodicity of Elements
• Chemical Bonding and Molecular Structure
• Thermodynamics and Chemical Equilibrium
• Redox Reactions and Electrochemistry
• Chemical Kinetics and Solutions
• d- and f-Block Elements
• Coordination Compounds
• Organic Chemistry: Hydrocarbons, Haloalkanes, Alcohols and Phenols, Carbonyl Compounds, Amines, Biomolecules

Physics

• Motion, Laws of Motion, Work, Energy, and Power
• Rotational Motion and Gravitation
• Thermodynamics and Kinetic Theory of Gases
• Oscillations and Waves
• Electric Charges and Fields, Electrostatic Potential and Capacitance
• Current Electricity and Moving Charges in a Magnetic Field
• Electromagnetic Induction and Alternating Currents
• Ray Optics and Wave Optics
• Dual Nature of Radiation and Matter
• Atoms and Nuclei

Biology

• The Living World and Biological Classification
• Cell Structure, Cell Division, and Biomolecules
• Plant Kingdom and Animal Kingdom
• Morphology and Anatomy of Flowering Plants
• Photosynthesis and Respiration in Plants
• Plant Growth and Development
• Human Physiology: Digestion, Breathing, Circulation, Excretion, Neural Control, Locomotion, Reproduction
• Genetics and Evolution
• Biology in Human Welfare
• Biotechnology and its Applications
• Ecology and Environment

IISER IAT 2027 Admit Card

The IISER IAT 2027 admit card will be released online at iiseradmission.in. Based on the 2026 cycle, the admit card is expected in May 2027, about 10–12 days before the exam. In 2026, the admit card was released on 24–26 May 2026 for the exam held on 7 June 2026.

How to Download the IISER IAT 2027 Admit Card

1. Visit iiseradmission.in when the admit card is released.
2. Click on the admit card download link on the homepage.
3. Log in with your application number and password.
4. Your admit card will appear on screen. Check all details carefully — name, photo, roll number, and exam centre address.
5. Download and print at least two copies. Keep one as a backup.

Details Printed on the Admit Card

• Candidate name, photograph, and signature
• Roll number and application number
• Exam centre name, full address, and centre code
• Reporting time and exam start time
• Important instructions for exam day

You must carry the printed admit card along with a valid original photo ID (Aadhaar card, passport, or PAN card) to the exam centre. No candidate is allowed entry without the admit card.

The IISER IAT admit card is not sent by post or email — it is only available through online download. If you spot any error in your admit card (wrong name, wrong photo, wrong date of birth), contact the IISER admission authorities through iiseradmission.in immediately after downloading, well before the exam date.

IISER IAT 2027 Result and Scorecard

The IISER IAT 2027 result is expected in late June or early July 2027. In 2026, the result was declared on 29 June 2026 — about three weeks after the exam on 7 June 2026. You can check and download your scorecard at iiseradmission.in using your login credentials.

What the IISER IAT Result Contains

• Subject-wise marks scored in Biology, Chemistry, Mathematics, and Physics
• Total marks out of 240
• All India Rank (AIR) in the overall merit list
• Category rank (General / EWS / OBC-NCL / SC / ST)

Merit List and Ranking

Not every candidate who appears in the IAT receives a rank. Only candidates who cross the minimum qualifying threshold are included in the merit list and awarded an AIR. In practice, General category candidates need roughly 130 or more marks out of 240 to receive a rank and be eligible for counselling. The rank is the only criterion used for all subsequent seat allotment rounds — there is no interview or document-based shortlisting before counselling.

Answer Key and Objection Process

The provisional answer key is usually released on the day of the exam itself — in 2026 it came out on 7 June 2026. Candidates can view their responses against the provisional key and raise objections on specific questions through the official portal within a defined window. The final answer key — published after reviewing all valid objections — is used to calculate official scores and ranks.

Re-Evaluation

There is no provision for re-evaluation or re-checking of IAT answer sheets. The final answer key published on iiseradmission.in is the authoritative document, and the result based on it is final.

IISER 2027: Institutes, Programmes, and Seats

All seven IISERs participate in the centralised admission process for 2027. The table below shows each institute’s location, year of establishment, and approximate BS-MS seat intake based on the 2026 seat matrix. The 2027 seat matrix will be confirmed in the official information bulletin at iiseradmission.in.

CDS = Computational and Data Sciences. Some IISERs also offer BS (4-year) and BTech programmes with separate seat matrices not included in the total above. The exact 2027 seat matrix will be published in the official notification.

Programmes Offered at IISERs

• BS-MS Dual Degree (5 years): The flagship programme available at all seven IISERs. Students complete the equivalent of a Bachelor of Science in the first three years and a Master of Science in the final two, with a full-year research project component. The degree awarded is a Master of Science.
• BS (4 years): A standalone Bachelor of Science programme available at select IISERs. Focused on a specific science discipline.
• BTech: An engineering-oriented 4-year programme available at IISER Bhopal and IISER Tirupati, combining science depth with engineering applications.

IISc Bangalore: Also Part of the IAT Ecosystem

The Indian Institute of Science (IISc) Bangalore offers a 4-year BS Research programme and accepts IAT scores for admission. IISc is one of India’s most prestigious research institutions. Candidates can indicate interest in IISc during the counselling registration. In 2026, the IISc General category score cutoff from the IAT merit list was 54 marks out of 240 — far lower than the scores needed for IISER Pune or Kolkata, making it accessible to a broader range of IAT-qualified students.

How to Prepare for IISER IAT 2027

The IISER IAT tests conceptual understanding more than speed or formula recall. The difficulty level sits between a CBSE Class 12 board paper and JEE Main. Here are focused preparation strategies for the IAT 2027.

Build Your NCERT Foundation First

The IAT syllabus is directly based on NCERT Class 11 and 12 textbooks for all four subjects. Read every chapter thoroughly. Many IAT questions are direct NCERT-level applications or minor variations of NCERT solved examples. You cannot score well without a solid NCERT base, regardless of how many coaching modules you complete.

Give Equal Weight to All Four Subjects

The IAT has 15 questions each from Biology, Chemistry, Mathematics, and Physics — equal weight. Missing any one subject costs you 60 out of 240 marks and can drop your rank by hundreds of positions. If you are primarily a JEE student, you must add serious Biology preparation for the IAT. Four to six focused weeks on NCERT Biology Class 11 and 12 can improve your IAT score by 40–60 marks.

Focus on Conceptual Application, Not Formula Memorisation

IAT questions often present a familiar concept in an unfamiliar scenario. You need to understand why a concept works, not just what the formula says. This is especially important in Physics and Chemistry, where the IAT frequently tests application of principles rather than standard JEE problem types.

Solve Previous Year IAT Papers

Analysing past IAT papers from 2016 onwards gives you a clear picture of the question style, topic frequency, and typical difficulty. Aim to solve at least the last 5 years’ papers under timed conditions. Review each paper section by section after attempting it to spot gaps in your preparation.

Take Timed Full Mock Tests

The exam is 3 hours for 60 questions — about 3 minutes per question. Regular timed practice under actual exam conditions builds stamina and helps you allocate time across four equal sections. Aim for at least one full timed mock test per week in the two months before the exam.

Apply Smart Negative Marking Strategy

With –1 for every wrong answer and only 60 questions, reckless attempts can meaningfully hurt your rank. Attempt a question only when you can confidently eliminate at least two of the four options. Leaving a question blank costs you 4 marks you could have earned; an incorrect answer costs you an additional 1 mark on top of that missed opportunity.

Biology Is the Equaliser for JEE Students

Most JEE-focused students entering the IAT underestimate Biology. It carries the same 60 marks as Mathematics or Physics. IAT Biology is largely NCERT Class 12 level — straightforward for students willing to put in the revision time. Students who score well in Biology regularly jump 300–500 ranks compared to equally capable candidates who skip Biology preparation entirely.