IISER Entrance Exam Preparation Tips & Guide 2026

Indian Institutes of Science Education and Research Entrance Exam 2026 ( IISER Entrance Exam )

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IISER Aptitude Test 2026 Hall Ticket

24 May '26 - 7 Jun '26

Vikash Kumar Vishwakarma
Updated on Mar 9, 2026 16:24 IST

By Vikash Kumar Vishwakarma

Overview

IISER 2026 preparation tips are the road map for scoring good marks. To plan the preparation strategy candidates should be familiar to IISER exam syllabus and paper pattern. The exam syllabus provides the topics for preparation. Candidates must gather required resources before starting their preparation. Indian Institutes of Science Education and Research Berhampur will conduct the IISER Aptitude Test on June 7, 2026.

Candidates must practice the previous year question paper of IISER to get familiar with the repetitive questions and high weightage topics. Also, attempt the IISER mock test regularly. The detailed preparation plan for IISER 2026 is updated on this page.

Table of contents
  • How to Prepare for IISER Entrance Exam
  • Preparation Tips for IISER Entrance Exam
  • IISER Entrance Exam Preparation 2026: Syllabus
  • IISER Entrance Exam Preparation 2026: Exam Pattern
IISER Entrance Exam Logo

How to Prepare for IISER Entrance Exam

Students can follow the below-mentioned steps on how one should prepare for the IISER Entrance Exam which is as follows: 

  1. The candidate should know the IISER Entrance Exam Pattern and Marking Scheme.
  2. Get the prescribed IISER Entrance Exam syllabus.
  3. Solve Sample Papers and Previous Years' Question Papers.
  4. Revision.
IISER Entrance Exam Logo

Preparation Tips for IISER Entrance Exam

Know the Marking Scheme: The candidate should know the pattern, which comprises elements such as the mode of the entrance exam, the exam medium, and exam duration. Other than the pattern, one should also know the number of sections which will be asked in the IISER Entrance Exam question paper, how many questions in total will be asked, whether there will be negative marking, and how many marks will be awarded for each correct answer. To know the IAT exam structure and marking scheme is like knowing the blueprint of the exam. To know more about the IISER Entrance Exam pattern and marking scheme.

Get the Prescribed IISER Entrance Exam Syllabus: The IISER Entrance Exam has a fixed syllabus which students need to learn from. Physics, Chemistry, Mathematics and Biology. Students should divide their syllabus and try to complete it within a set time period. Other than prep books, students should also stick to their Class 12 Science subjects. The questions asked in the IISER Entrance Exam will be from the syllabus itself, and no questions will be asked out of context.

Get Prep Books and Guides: To know the syllabus, one can purchase prep books and guides for the IISER Entrance Exam. Students will understand the subjects and topics in a better manner. Also, prep books have sample papers which you can solve. Before purchasing any prep book, one should know about what book they are buying, whether the prep book covers the contents mentioned in the syllabus or not. Purchase prep books which are well-known and prescribed by coaching centres or professors.

Create a Time Table: The only way to ensure you complete your syllabus on time is by creating a timetable and schedule. Divide your schedule according to the chapters, units and subjects which have to be covered. Make a timetable every week, from there on a daily basis and then gradually on an hourly basis. If you stick to your set timetable, you can complete the syllabus on time and will also have time on your hands to revise.

Revision: Once you are done for the day, before getting on to a new chapter or subject, revise what you have learnt first. It will help you understand the topics better. Also, jot down points as it can summarise what you have learnt and will help you remember better.

Get Proper Rest: Do not panic; no need to stress out. Get the rest that is required, as you cannot keep on studying. Your mind and body need a break, and you need to be energised to study properly.

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IISER Entrance Exam Preparation 2026: Syllabus

The authority has released the IAT syllabus 2026 online. The syllabus consist of topics based on Physics, Chemistry, and Mathematics. The authority prepares the IISER question paper based on exam syllabus. Check the table for syllabus for IISER 2026.

Subject Syllabus
Physics
  • Units and Measurements
  • Motion in a Straight Line
  • Motion in a Plane
  • Laws of Motion
  • Work, Energy and Power
  • System of Particles and Rotational Motion
  • Gravitation
  • Mechanical Properties of Solids
  • Mechanical Properties of Fluids
  • Thermal Properties of Matter
  • Thermodynamics
  • Kinetic Theory
  • Oscillations
  • Waves
  • Electric Charges and Fields
  • Electrostatic Potential and Capacitance
  • Current Electricity
  • Moving Charges and Magnetism
  • Magnetism and Matter
  • Electromagnetic Induction
  • Alternating Current
  • Electromagnetic Waves
  • Ray Optics and Optical Instruments
  • Wave Optics
  • Dual Nature of Radiation and Matter
  • Atoms
  • Nuclei
  • Semiconductor Electronics
Chemistry
  • Some Basic Concepts of Chemistry
  • Structure of the Atom
  • Classification of Elements and Periodicity in Properties
  • Chemical Bonding and Molecular Structure
  • The d- & f-block elements
  • Coordination compounds
  • Thermodynamics
  • Equilibrium
  • Redox Reactions
  • Solutions
  • Electrochemistry
  • Chemical Kinetics
  • Organic Chemistry – Some Basic Principles and Techniques
  • Hydrocarbons
  • Haloalkanes and haloarenes
  • Alcohols, phenols, and ethers
  • Aldehydes, ketones, and carboxylic acids
  • Organic compounds containing nitrogen
  • Biomolecules
Mathematics
  • Sets and Logic
  • Basic counting techniques
  • Complex numbers, linear and quadratic equations
  • Trigonometric functions
  • Vectors
  • Matrices & determinants
  • Coordinate geometry
  • Three-dimensional geometry
  • Sequences & series
  • Limit & continuity
  • Differentiation
  • Integration
  • Differential equations
  • Statistics, Probability & Linear Programming
Biology
  • Diversity In the Living World
  • Structural Organisation In Plants And Animals
  • Cell: Structure And Functions
  • Plant Physiology
  • Human Physiology
  • Reproduction
  • Genetics And Evolution
  • Biology In Human Welfare
  • Biotechnology
  • Ecology
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IISER Entrance Exam Preparation 2026: Exam Pattern

IISER 2026 exam pattern is available online. The exam pattern is the structure of question paper. Candidates can check the exam pattern of IISER 2026 to know the marking scheme, mode of exam, types of questions, duration of test, more. IISER question paper will comprises four sections. Each section will have 20 multiple choice questions. There will be 60 questions for 240 marks. Each question carries 3 marks and negative marking is done for wrong answers.

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Student Forum

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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

Vikash Kumar Vishwakarma

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

Vikash Kumar Vishwakarma

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

Vikash Kumar Vishwakarma

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

Vikash Kumar Vishwakarma

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

Vikash Kumar Vishwakarma

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

Vikash Kumar Vishwakarma

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

Vikash Kumar Vishwakarma

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

Vikash Kumar Vishwakarma

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

Vikash Kumar Vishwakarma

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

Vikash Kumar Vishwakarma

Contributor-Level 10

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