IISER 2025: Application Form, Exam Dates, Eligibility, Syllabus

IISER 2025 Exam will be conducted in the first week of June 2025. IISER (Indian Institute of Science Education and Research) is an autonomous institution established under the ministry of education, Govt. of India. The institution conducts entrance examination i.e. IISER Aptitude Test (IAT) to offer admission in BS and BS-MS Dual Degree programmes.

Do you know?…IAT is the only channel for admission to IISER. Get eligibility & other exam details below.

IISER Eligibility | IISER Exam Dates | IISER Syllabus

IAT is a national level entrance examination conducted every year. There are a total seven IISER institutions in the country, exam qualified candidates will get admission in institutions of IISER. Shortlisted candidates will get admission into various IISER i.e. Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, Tirupati & Berhampur.

All you need to know about IISER 2025 Exam:

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In this article, we have provided complete information related to IISER 2025 Exam such as application form, exam dates, eligibility criteria, pattern, syllabus etc.

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IISER 2025 Overview

Exam nameIISER Aptitude Test (IAT) 2025
Authority Indian Institute of Science Education and Research
Exam levelNational level
Courses offeredBS-MS
Application modeOnline 
Exam modeOnline 

Courses Offered:

Biological Science, Economic Science, Engineering Science, Chemical Science, Integrated and Interdisciplinary Science, Physical Science, Mathematical Science, Earth and Climate Science/ Earth and Environmental Science, Geological Science.

IISER 2025 Exam Dates 

Here are the tentative dates of IISER 2025 exam:

Events Dates 2025 (Tentative)
Application portal opens1st week of April 2025
Application portal closes3rd week of May 2025
Corrections in application form3rd week of May 2025
Release of hall tickets1st week of June 2025
IISER Aptitude Test (IAT) 20251st week of June 2025
Declaration of result 1st week of July 2025
Commencement of counselling1st week of July 2025
Admission offer (1st round)3rd week of July 2025

IISER 2025 Application Form

The following are the information related to IISER application form 2025:

  • 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.
  • Candidates must make sure to fulfil the eligibility criteria before applying for exam.
  • Fill the details in application form by providing correct details such as personal, academic, category details etc.
  • Applicants will need to upload required documents i.e. photograph and signature within a prescribed size and format. 
  • The last date to fill the application form will be in the third week of May 2025.
  • Candidates will be required to take a print out of application form for further use.

Application Fee:

  • Candidates will be able to pay IISER application fee through online mode.
  • The payment gateways to submit the fee will be debit card/ credit card/ net banking.
  • The application fee will be non- refundable under any circumstances.

Applicants must check the category wise application fee mentioned below:

Category Application Fee
General, EWS, OBC and OBC- NCL Rs. 2000/- 
PwD, Kashmiri Migrants and SC/STRs. 1000/-
Check Here – How to Fill IISER Application Form

How to Apply for IISER 2025

The following are the steps to apply for IISER 2025 exam:

  • Step 1: Visit the website of IISER (link will be available above).
  • Step 2: Register yourself by entering details such as name, address, email, etc.
  • Step 3: Then, candidates will receive an application number.
  • Step 4: Login by using the application number and password.
  • Step 5: Fill the application form by providing required details such as personal, academic details etc.
  • Step 6: Preview the application form carefully before submitting it. 
  • Step 7: Submit the application fee by using the available payment gateways.
  • Step 8: Download the application form from the website.
  • Step 9: Print the form and keep it safe for further use.

IISER 2025 Eligibility Criteria

Candidates must fulfil the following IISER eligibility criteria 2025 to appear for exam:

  • Nationality: Candidates should be Indian nationals, PIO or OCI to be eligible.
  • Qualification: Applicants must have passed class 12th from any recognised board.
  • Subject: To be eligible, candidates must have taken at least three subjects among Biology, Chemistry, Physics and Mathematics.
  • Marks: Students will be required to score 60% marks in aggregate (55% marks for SC/ST/PwD) in class 12th to be eligible.
  • Appearing: Candidates appearing in class 12th will also be eligible to apply.

IISER 2025 Exam Pattern

Students should go through the IISER exam pattern 2025 mentioned below:

  • Mode of exam: The IAT 2025 exam will be held through computer based mode.
  • Duration: Applicants will get 180 minutes to complete the test.
  • Type of question: There will be Multiple Choice Questions (MCQ) in exam.
  • Total question: The IAT 2025 question paper will contain 60 questions.
  • Medium: The exam will be conducted in English and Hindi language only.
  • Marking scheme: For each correct answer, four marks will be awarded.
  • Negative marking: For each incorrect answer, one mark will be deducted.

Check out the subject wise marks criteria of IISER 2025:

Subjects Marks Questions 
Biology 6015
Physics 6015
Chemistry 6015
Mathematics 6015
Total 24060

IISER 2025 Syllabus

The IISER syllabus 2025 will be prepared on the basis of NCERT syllabus of class 11th and 12th. Below candidates can check out some topics for all subjects:

  • Chemistry: State of matter, structure of atom, solid state, surface chemistry, chemical bonding and molecular structure, general principle and processes of isolation of element, alcohol, hydrogen etc.
  • Physics: Current electricity, Electrostatics, Waves, Atoms, Electromagnetic induction, properties of bulk matter, laws of motion, kinematics, physical work and measurement, etc.
  • Mathematics: Relations and functions, binomial theorem, complex number and quadratic equations, conic sections, straight lines, determinant, integral, linear programing, three dimensional geometry, applications of integral, etc.
  • Biology: Cell structure and functions, diversity in the living world, human physiology, reproduction, plant and animal physiology etc.

IISER 2025 Preparation Tips

Applicants can refer the following preparation tips to prepare well for IISER 2025 exam:

  • Check out the syllabus and exam pattern of IISER 2025 exam.
  • Select the best books and study material
  • Make a time table for study and follow it.
  • Do revision regularly.
  • Prepare short notes of important topics.
  • Highlight important points to save time further.

IISER 2025 Books

Refer the following books for the preparation of IISER 2025:

  • Fundamental of Physics by Halliday
  • Understanding Physics Series by D.C Pandey
  • Inorganic Chemistry by O.P Tandon
  • Chemical Calculation by R.C Mukherjee
  • Higher Algebra by Hall and Knight
  • NCERT Class XI & XII

IISER 2025 Exam Centres

The following are some tentative cities where IISER 2025 exam will be held:

Kolkata Tiruppur 
Lucknow Nizamabad 
Agra Hyderabad 
Kanpur Udaipur 
Jhansi Jodhpur 
Faridabad Jalandhar 
Kalyani Mohali 
Warangal Bathinda 
Karimnagar Amritsar 

Frequently Asked Questions (FAQs)

Answer: No, all admissions will be carried out centrally. Candidates will be able to apply through the common application process of IAT 2025.

Answer: Yes, candidates belong from PwD category will need to pay Rs. 1000/- as an application fee.

Answer: The IISER Aptitude test will be conducted in English and Hindi language only.

Answer: Once candidates have submitted an application, they will be provided a correction window where they can edit some information on application. But candidates will not be able to edit category information after submitting the form.

Answer: No, all payments will be accepted only through a secure online payment gateways on application portal.

Answer: The candidates belonging to ST/ SC/ PwD will require to score minimum of 55% marks in aggregate and candidates belonging to other categories will require to score a minimum of 60% marks in aggregate in class XII examination.

Answer: Candidates who are foreign national will need to contact the Chairperson Joint Admissions Committee at email provided on the website.

Answer: Yes, candidates who qualified their class XII in 2023, 2023, 2024 will be eligible to apply.

Answer: There will be no specific age limit to apply for admission.

IISER 2025 Admit Card

The IISER admit card 2025 will be released in the first week of June 2025. Applicants will be able to download it through online mode from the website. To download the hall ticket, students will need to enter login credentials such as application number and date of birth. 

The hall ticket will contain very important details such as candidate’s name, exam venue, roll number, instructions etc. It will be compulsory for students to carry the admit card on the day of exam. Without a valid hall ticket, candidates will not be allowed to appear of exam.

IISER 2025 Answer Key

The IISER answer key 2025 will be published after a few days of entrance exam. Candidates will be able to view the answer key in the second week of June 2025. The IAT 2025 answer key will contain the correct answer of the questions asked in exam. 

Candidates will get a rough idea about their marks with the help of answer key before the result of declaration. The authority will provide the facility to challenge the answer key in case of any doubt. Then, the authority will release the final answer key after verifying all the doubts. 

IISER 2025 Result

The result will be made available in the first week of July 2025. The IISER result 2025 will be published through online mode. Students will be able to download the result from the website by using their login credentials such as application number and password. 

The IAT result will be released for all the candidates who have appeared in entrance exam. The authority will not send results to the aspirants individually, they have to check it through online mode. Candidates must take a printout of their results and keep it secure for future use.

IISER 2025 Cut Off

The IISER cut off 2025 will be a minimum mark which is required to obtain admission in any seven IISER. The authority will publish the separate IISER 2025 cut off for all students applying through different channels for admission. 

Applicants who successfully secure a cut off marks will be eligible to participate in counselling and seat allotment process. Candidates will be able to check the cut off marks through online mode from the website. 

IISER Seat Reservation Criteria

Candidates must go through the IISER reservation policy given below in a table:

Category Reservation in %
Scheduled Caste15%
Scheduled Tribes7.5%
Kashmiri Migrants3%

IISER 2025 Counselling

The IISER Counselling 2025 will be commenced in the first week of July 2025. Students who obtained good rank in entrance exam will be called for IISER counselling procedure. Seats will be allotted during the counselling process. To appear for counselling procedure, selected candidates will need to download their call letter from the website. 

Applicants will be given an opportunity to choose freeze and float options after accepting the seat and paying acceptance fee. Candidates will need to visit the allotted venue for reporting with required documents. 

IISER 2025 Participating Colleges

Here we have listed some IISERs in India:

  • IISER Bhopal
  • IISER Mohali
  • IISER Pune
  • IISER Berhampur
  • IISER Tirupati
  • IISER Kolkata
  • IISER Thiruvananthapuram

In case of any other query related to IISER 2025 Exam, you can ask your queries in the comment section below.


  1. is counselling will be conducted online or offline and what is the procedure after getting qualified in this xam

  2. Why should iisers are not implementing female reservations (33.3%) in iisers.please give some clarity.

    1. IISER selection is on the basis of merit & also have limited seats. There are also some legal action & institutional autonomy, hence, IISER might not be implementing 33.3% female reservation.

  3. I am sandeep
    . I passed my 12th in Maharashtra board with 74.83% . Since my iat paper didn’t go very well ,I am scoring only 45 marks (I checked through answer key), I decided to take a drop. I just want an answer, can iiser raise their eligibility criteria from 60%in boards to 75%in boards?????

    1. It completely depends on officials authority. Any changes if announced by officials will be updated in our article.

    1. We will provide counselling link in article whenever it will be started. You must be with us for latest updates.

    1. Candidates who have passed 12th in year 2023, 2024 & 2025 may only be eligible. However, official detail about IISER 2025 are yet to be out.

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