IAT (IISER Aptitude Test)

The IISER Aptitude Test 2025 (IAT) is a national-level exam for admission to the Indian Institutes of Science Education and Research (IISER). The IISER 2025 exam covers both four-year BS degree programmes and five-year BS-MS dual degree programmes. The IAT is conducted by the Indian Institutes of Science Education and Research (IISER), which oversees the admissions process for its various programs.

The IAT will be conducted in an online format as a computer-based test. The examination will consist of multiple-choice questions (MCQs) covering four main subjects- Physics, Chemistry, Mathematics and Biology.

To be eligible for the IAT 2025, candidates must meet the necessary requirements- Candidates must be Indian nationals, or hold a Person of Indian Origin (PIO) or Overseas Citizenship of India (OCI) status, Candidates should have completed their Class 12th from a recognized board with a focus on Science subjects (Physics, Chemistry, Mathematics, and Biology) with minimum aggregate of 60% for general category and 55% for SC/ST Category.

Advantages of Clearing the IAT Exam

Clearing the IAT offers several benefits:

1. Admission to Prestigious Institutions: Successful candidates gain entry into IISERs, which are renowned for their research and academic excellence in science education.
2. Research Opportunities: The integrated BS-MS program allows students to engage in research early in their academic careers.
3. Career Prospects: Graduates from IISERs often have excellent career opportunities in academia, research institutions, and industries.
4. Interdisciplinary Learning: The curriculum at IISERs promotes interdisciplinary studies, equipping students with a broad skill set applicable in various scientific domains.

IAT 2025 Exams Highlights

IAT 2025 Exam Dates

The IISER 2025 Exam Date will be declared online and is scheduled for the second week of June 2025. The Indian Institutes of Science Education and Research (IISER) are renowned institutions in India focusing on science education and research.

The list of important dates (tentative dates are provided here)  for applicants participating in the IAT 2025 can be seen below.

IAT 2025 Eligibility Criteria

To be eligible for the IISER Aptitude Test (IAT) 2025, candidates must meet the following criteria:

1. Nationality

• Candidates must be Indian nationals, or hold a Person of Indian Origin (PIO) or Overseas Citizenship of India (OCI) status.

2. Educational Qualification

• Candidates must have passed the Class 12 (or equivalent) examination from a recognized board.

3. Subject Requirements

• Candidates must have studied at least three subjects from the following during their Class 12:
• Biology
• Chemistry
• Physics
• Mathematics

4. Minimum Marks Requirement

• Candidates belonging to the general category must secure a minimum of 60% marks in aggregate.
• Candidates from SC/ST/PwD categories are required to score at least 55% marks in aggregate.

5. Appearing Candidates

• Candidates who are currently appearing for their Class 12 examinations in 2025 are also eligible to apply, provided they meet the educational qualifications by the time of admission.

IAT 2025 Application Process

The IISER 2025 application form will be released in the first week of April 2025. Applicants will be able to fill the registration form through online mode. The application process for the IISER Aptitude Test (IAT) 2025 involves several steps that candidates must follow to successfully submit their applications. Here’s a detailed overview of the process:

Step 1: Registration

• Visit the official IISER admission website (iiseradmission.in).
• Click on the registration link and fill in personal details such as name, date of birth, gender, email ID, and mobile number.
• After submitting, you will receive a registration ID and password.

Step 2: Fill the Application Form

• Log in using your registration credentials.
• Complete the application form by providing educational qualifications, including subjects taken in Class 12

Step 3: Upload Documents

• Upload scanned copies of required documents:
• Class 12 mark sheet
• Recent passport-sized photograph
• Signature
• Category certificate (if applicable).

Step 4: Pay the Application Fee

• Pay the application fee online through debit/credit card or net banking. The fee structure is as follows:
• General/EWS/OBC candidates: ?2,000 + transaction fee
• SC/ST/PwD candidates: ?1,000 + transaction fee.

Step 5: Submit the Application Form

• Review all details carefully before submitting.
• After submission, download and print a copy of the application form for future reference.

IAT 2025 Admit card

The IISER admit card for 2025 is scheduled to be released in the first week of June 2025. Applicants can download it online from the official website. To access the hall ticket, students must enter their login credentials, including the application number and date of birth.

The hall ticket will include crucial details such as the candidate's name, exam venue, roll number, and instructions. It is mandatory for students to bring the admit card on the exam day. Candidates without a valid hall ticket will not be permitted to take the exam.

Candidates can download their admit cards by following these steps:

• Visit the official IISER admissions website: iiseradmission.in.
• Look for the link labeled "IAT 2025 Admit Card."
• Enter your application number and date of birth to log in.
• The admit card will be displayed; review all details carefully.
• Download and print at least two copies of the admit card for future reference.

IAT 2025 Syllabus

The syllabus for the IISER Aptitude Test (IAT) 2025 is designed to assess candidates' knowledge in four main subjects: Biology, Chemistry, Physics, and Mathematics. The questions will be based on topics from the Class 11 and Class 12 curricula. Here’s a detailed overview of the syllabus:

Biology Syllabus

• Diversity in the Living World
• Cell Structure and Function
• Human Physiology
• Reproduction
• Genetics and Evolution
• Ecology and Environment
• Plant and Animal Physiology
• Biotechnology and Its Applications
• Biology and Human Welfare

2. Chemistry Syllabus

• Structure of Atom
• Classification of Elements and Periodicity in Properties
• Chemical Bonding and Molecular Structure
• Thermodynamics and Equilibrium
• Redox Reactions
• Hydrogen and s, p, d, f Block Elements
• Organic Chemistry: Basic Principles and Techniques
• Hydrocarbons
• Environmental Chemistry
• Coordination Compounds

3. Physics Syllabus

• Physical World and Measurement
• Kinematics (Motion in a Straight Line and Plane)
• Laws of Motion
• Work, Energy, and Power
• Gravitation
• Properties of Bulk Matter (Solids, Liquids)
• Thermodynamics
• Oscillations and Waves
• Electrostatics and Current Electricity
• Magnetic Effects of Current and Magnetism

4. Mathematics Syllabus

• Sets, Relations, and Functions
• Trigonometric Functions and Inverse Trigonometric Functions
• Complex Numbers and Quadratic Equations
• Permutations, Combinations, and Binomial Theorem
• Sequences and Series (Arithmetic, Geometric)
• Statistics and Probability
• Matrices and Determinants
• Limits, Continuity, Differentiability, and Applications of Derivatives

IAT 2025 Exam Pattern

The IISER Aptitude Test (IAT) 2025 is designed for admissions to various programs at the Indian Institutes of Science Education and Research. Here’s a detailed overview of the exam pattern for 2025:

• Mode of Exam: Online (Computer-Based Test)
• Duration: 3 hours
• Type of Questions: Multiple Choice Questions (MCQs)
• Total Questions: 60
• Total Marks: 240
• Marking for correct answer: +4
• Marking for wrong answer: -1

IAT 2025 Exam FAQs

Ques. What will be the age limit for IAT Exam?

Ans.  There will be no specific age limit for IAT exam.

Ques.2 Who is the conducting body of the IAT exam?

Ans. IAT exam is conducted   by Indian Institute of Science Education and Research

Ques. 3 What are the time limits given to the students for completing the IAT 2025?

Ans. Candidates will be provided with a total time limit of 180 minutes (Three Hours) to complete IAT exam.

Ques.4 A Non- Indian could be eligible for IAT exam?

Ans. Foreign national candidates are required to reach out to the Chairperson of the Joint Admissions Committee via the email address provided on the website.

Ques.5  What will be the exam mode of the IAT exam?

Ans.  IAT exam will be conducted in online mode.