IISER 2023: Counselling (Started), Dates, Cut Off, Seat Allotment

IISER 2023IISER 2023 Allotment (8th Round) has been released on 18th August 2023. IISER (Institutes of Science Education & Research) exam is conducted every year, through which candidates are offered admission to 4 years BS & 5 years BS-MS programs in various disciplines. IISER offers admission through three channels – KVPY channel, JEE Advanced channel & IISER Aptitude test (IAT) channel. Qualifying candidates are offered admission in various IISERs located in Tirupati, Mohali, Bhopal, Berhampur, Kolkata, Pune and Thiruvananthapuram. In this article we have provided complete details about IISER 2023 from application procedure to counselling/ admission process.

Answer Key Exam Dates Result

   Application Form FAQs Syllabus

IISER 2023 Notifications – Allotment Out (8th Round)

newiconIISER 2023 Seat Allotment (8th Round) has been released on 18th August 2023.  Check here for allotment details.

newiconGet complete details about IISER 2023 Allotment and Admission from here.  Click here to view details.

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IISER 2023 Final Answer Key has been released via online mode.  Click here to check final answer key.

IISER 2023 Answer Key has been released on 18th June 2023.

Click here to check answer key (Hindi).

Click here to check answer key (English).

IISER Admission 2023 Highlights

Name of the ExamIISER Entrance Exam
Full Form Indian Institutes of Science Education and Research
Application ModeOnline
Exam LevelNational Level
Conducting BodyIISER, Mohali
Courses Offered4 Year BS & 5 Years BS-MS program

IISER Admission 2023 Exam Dates

Check the complete IISER IAT Exam dates along with admission dates of IAT, JEE Advanced and KVPY channel:

EventsDates 2023
Availability of online application form15th April 202315th April 202325th June 2023
The deadline to submit the form25th May 202325th May 202330th June 2023
Application correction4th to 7th July 2023
Admit card10th June 2023
Not applicable
Exam date17th June 2023Not applicable
Upload of students response form17th June 2023
Not applicable
Answer key18th June 2023Not applicable
Portal open to file objections20th to 22nd June 2023Not applicable
Final answer key28th June 2023
Not applicable
IAT result3rd July 2023Not applicable
Documents upload and freeze IISER preference4th to 7th July 2023
Admission offer (1st round)12th July 2023

IISER Admission 2023 Result/ Merit List

IISER Result 2023 has been declared on 3rd July 2023 by online mode. Candidates can check their result by entering their roll number & registration id. Those candidates who have scored higher marks and qualify the cut off will be selected in the merit list released of selected candidates.

Candidates can register for seat allotment, after the declaration of result. The allocation of seats will be done on the basis of merit secured in the exam.

IISER 2023 Cut Off

Students who have appeared in IISER IAT 2023 for admission through IAT channel are required to qualify test by securing cut off marks. IISER Cut Off 2023 has been released on the website as per various boards with their percentage scores.

Here we have provided the seat reservation criteria for all category candidates:

CategoryReservation Criteria
Kashmiri migrant3 seats per IISER
EWSUpto 10%

IISER 2023 Admission

On the basis of JEE Advanced & KVPY scores, 50% seats of IISER institutions will be filled. The admission will be filled through IAT which is based on the IISER Aptitude Test 2023 for further seats.

The allotment of seats is based on the candidate’s preferences, merit list, availability of seats. Top candidates who have qualified the KVPY & JEE Advanced exam can get admission into IISERs. Students on the day of reporting must accompany with their documents for the verification process.

Following is the list of required documents for the IISER Counseling 2023:

  • Class 10th & 12th mark sheet
  • Class 10th & 12th passing certificate
  • IISER 2023 Admit Card
  • Counselling letter
  • Category certificate
  • Offer Letter
  • ID proof
  • IISER 2023 Score Card, etc.

IISER 2023 Answer Key

IISER Provisional Answer Key 2023 has been released from 18th June 2023. The answer key has been made available in PDF format.If any candidate has any doubt or complaint regarding the key questions, the same shall be submitted to the authority.

The objection facility is also opened for challenging the answer key from 20th to 22nd June 2023. The final answer key has been released after the completion of the objection facility. It has been released on 28th June 2023.

Frequently Asked Questions (FAQs)

Answer: Students who have passed class 12th in 2021 are not eligible to apply. Only students who have passed out in 2022 or 2023 are eligible.

Answer: The degree is awarded by individual IISERs as each IISER is an autonomous institution.

Answer: The application form submission for IISER 2023 is started from 15th April 2023.

Answer: Students who were a candidate admitted earlier to any of the IISERs; who had earlier accepted an IISER seat but did not join; whose admission to any IISERs was cancelled after joining.

Answer: No, all IISER admit students through a common application process. One application form is valid for all the IISERs.

Answer: The Application Form submission procedure is regulated till 25th May 2023.

Answer: Yes, 1 mark is deducted for every wrong answer.

Answer: The IISER 2023 aptitude test is conducted in online (CBT) mode.

IISER 2023 Application Form

Know complete details regarding the IISER 2023 Application Form in below given section:

  • IISER 2023 Application form for IAT, KVPY has been started from 15th April 2023 through online mode.
  • For JEE Advanced, applications is made available from 25th June 2023.
  • The application form are only available via online mode & made available to eligible candidates only. Candidates must ensure they fulfill the complete eligibility criteria of IISER.
  • Students can apply for all IISERs through common application form.
  • Last date to submit application for IAT, KVPY channel is till 25th May 2023. For JEE Advanced, last date to apply will be till 30th June 2023.
  • Application correction has been started from 28th May 2023 and continued till 29th May 2023.
  • Take the printout of the application form and payment receipt after submission of form.

Application Fee:

  • IISER 2023 application fee submission process can only be done by using the Credit Card, Debit Card, Net Banking, and other online payment gateways.
  • Fee is non-refundable in nature.

The application fee as per the categories are:

CategoryApplication Fee
SC/ ST/ Kashmiri Migrants (KM)/ PWDRs. 1000/-
General/ OBC-NCL/ EWSRs. 2000/-
For foreignRs. 8500/-

How to Fill IISER 2023 Application?

  • Step 1: Visit the website (Link is mentioned above).
  • Step 2: Click on online register link.
  • Step 3: Fill up the details asked in application form correctly.
  • Step 4: Upload scanned images as per the instructions mentioned.
  • Step 5: Pay the application fees through payment gateway provided.
  • Step 6: Submit application form and take its printout.
Check Here – How to Fill IISER Application Form

IISER 2023 Eligibility Criteria

Following we have provided IISER Eligibility criteria which candidates must satisfy to be eligible to apply for IISER 2023:

General Eligibility (All channels):

  • Nationality: Candidates must be an Indian national or PIOOCI.
  • Qualification: Candidates must have passed 12th or equivalent level exam with science stream in 2022 or 2023 from any board recognized by Council of Boards of School Education in India (COBSE).
  • Qualifying marks: Candidates of General/ OBC & OBC-NCL category should have scored minimum of 60% marks in aggregate or equivalent grade in the qualifying examination (55% marks for SC/ ST PWD candidates.
  • Qualifying subjects: Students in 12th level must have passed with at least three subjects among Physics, Chemistry, Mathematics and Biology to be considered as from ‘Science stream.’

Channel Wise Eligibility:

  • For IAT channel: Students who are seeking admission through IAT channel must appear for IISER Aptitude test.
  • For KVPY channel: Students having valid KVPY fellowship starting from 2023-24 academic session are eligible for admission.
  • For JEE Advanced: Candidates applying through this channel, should have secured rank within 15000 in common rank list (for Gen/ OBC categories) or in respective category rank lists (for Gen-EWS/ OBC-NCL/ ST/ SC/PwD categories).

Note: Candidates taking admission under JEE Advanced channel or KVPY channel need not to appear for IAT 2023.

IISER 2023 Exam Pattern

Check details of IISER Exam pattern 2023 & marking scheme for IAT 2023 exam (SCB channel):

  • Mode of Examination: The mode of exam is online mode (CBT).
  • Number of Questions: There will be 60 questions (15 questions in each section) in exam.
  • Duration: The exam duration is 3 hours.
  • Subject: Questions will be from various subjects – Mathematics, Physics, Chemistry and Biology.
  • Types of Questions: The questions in paper will be multiple choice type of questions.
  • Marking Scheme: 4 marks will be awarded for every correct answer.
  • Negative marking: 1 mark will be deducted for each wrong answer.

Check below distribution of questions & marks subject wise for IAT 2023:

Total 60240

IISER 2023 Syllabus

IISER IAT 2023 syllabus follows the syllabus generally from NCERT syllabus of class 11th & 12th.

Following is the complete subject wise IISER syllabus 2023:


Inverse Trigonometric Functions,  Sets, Relations and Functions, Trigonometric Functions, Principle of Mathematical Induction, Complex Numbers and Quadratic Equations, Linear Inequalities, Permutations and Combinations, Binomial Theorem, Sequences and Series, Straight Lines, Conic Sections, Introduction to Three-Dimensional Geometry, Limits and Derivatives, Mathematical Reasoning Statistics, etc.


Chemical Bonding and Molecular Structure, States of Matter, Some Basic Concept of Chemistry, Structure of Atom, Classification of Elements and Periodicity in Properties, Thermodynamics, Equilibrium, Redox Reactions, Hydrogen, The s-block Elements, The p-block Elements, Organic Chemistry – Some Basic Principles and Techniques Hydrocarbons, Environmental Chemistry, The solid-state Solutions, Electrochemistry, Chemical Kinetics, Surface chemistry, etc.


Reproduction, Genetics and Evolution, Biology and human welfare, Biotechnology and its application, Ecology and environment, Diversity in the living world, Structural organization in animals and plants, Cell structure and function, Plant physiology, Human physiology.


Laws of Motion, Work, Energy and Power, Motion of Systems of Particles and Rigid body, Gravitation Properties of bulk matter, Thermodynamics, Behavior of perfect gas and kinetic energy, Oscillations Waves, Electromagnetic Waves, Optics, Dual Nature of Radiation and Matter, Atoms Nuclei, Electronic Devices, Communication Systems, Physical World and Measurement Kinematics.

IISER Preparation Tips

Following are some effective tips and tricks for better IISER preparation for IAT 2023:

  • Prepare a time table and divide time equally for all subjects.
  • Check out the prescribed syllabus for the examination.
  • Take help from the best books and study materials available.
  • Practice from previous year question papers & sample papers.
  • Include every single topic of the syllabus in your preparation.
  • Don’t take stress and take care of your health.

IISER Exam Centers

Check below various exam centers for IISER IAT 2023 exam:


IISER 2023 Admit Card

IISER 2023 Admit cards has been released from 10th June 2023 through online mode. Candidates have to enter their login details to download the IISER Admit card. The admit card contain details such as name, roll number, day and date of examination, test venue, etc.

Candidates should carry their admit card on the day of examination as no one will be allowed to enter the examination hall. Authority will release the admit card for every registered candidate on the website.

If you have any other query related to IISER 2023, you can ask your query in the comments section given below.


  1. I got 139 marks which was verified with the help of final answer key and response sheet in IAT but got 6575 CRL rank and OBC-NCL 1463 rank. Is it right or wrong.?

  2. How to download rank card.
    I tried much but could not diwnload the same. Kindly guide me.

    1. Candidates of General/ OBC & OBC-NCL category should have scored minimum of 60% marks in aggregate or equivalent grade in the qualifying examination (55% marks for SC/ ST PWD candidates.

  3. Sir, I was not able to upload my 12th marksheet in the application but i have uploaded the declaration while filling the form. Yesterday was last date of correction window and due to some issues I was not able to upload my marksheet will I will get another chance to upload it before 7th july

  4. I have passed my +2 exam in the year 2020 pcb(cs) with the grade of 80% shall I eligible for iat test

  5. I have passed 12 th west Bengal board of exam in 2021 with 91% marks in PCMB. Can I eligible for iiser aptitude test 2023 ?

    1. To be eligible, one must passed with at least three subjects among Physics, Chemistry, Mathematics and Biology.

  6. I am not yet 18 so I do not have voter ID card. But iat application form is asking for voter ID card only. What to do?

  7. I am a student of 12th class. I have given final exam and result is not come yet than I fill my application form in IISER 2023.

  8. I have passed my 12th board cbse in the year 2022,with an aggregate marks of 77% in pcmb , am from general category. Am I eligible to sit for the exam too?

  9. I am a student of class xii with pcm, biology is not my subject in 12th board exam. Can i eligible for iser aptitude test?

  10. I have given my Rajasthan state board this year ( In 2023)
    Can I apply for iiser in next year ?

  11. Respected Sir/Mam,
    I am a pcm student of class 12 th awaiting of my result, so I want to give my exam in pcm except biology, will it be fine.

  12. I have taken PCM in high school, would I also have to study biology for qualifying the exam for BS course in physics?

  13. I passed my 12th class with Physics, Chemistry, Biology and Hindi as my papers last year. I didn’t study maths in 12th class. Can I appear for IISER exam 2024

  14. I am going to pass my 12th soon and wish to get a job in isro in astrophysist field,so if i pass this exam ,i will get a scholarship and direct placement in isro? Does it work that way?

  15. Is it compulsory for IAT attending candidate to attempt exam in Physics, Chemistry, Maths and Biology or they need to attempt only three out of the four?

  16. My daughter has taken Physics, Chemistry, Biology and Psychology and will be writing CBSE 12th board exams in Feb 2023. Let me know can she apply for IISER and the exam she needs to take?

  17. I will be appearing for cbse class 12 in 2023 with PCM but do not have biology as a subject. Do IISERS have BS-MS options for Physics?

  18. Now that KVPY exams have been cancelled will no. of seats for students via Aptitude test increase

  19. i m in 12th currently so should i be giving kvpy this year or next year to fit in with iiser requirements??

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