IAT 2025 Eligibility Criteria: Check Age Limit, Marks Required, No of Attempts, Important Factor

Updated By Himani Daryani on 24 Feb, 2025 12:56

Registration Starts On March 05, 2025

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IAT 2025 Eligibility

IAT 2025 Eligibility has been released! IISER Aptitude Test 2025 will be conducted on May 25, 2025. Students have to first check the eligibility criteria of IISER 2025 and then fill out the form to appear for the exam. IAT 2025 has introduced significant changes to its eligibility criteria. IISER aptitude test eligibility age factor is now the primary criterion: students from the General and OBC categories must be born on or after October 1, 2000, while SC/ST/PWD candidates have a five-year relaxation, allowing those born on or after October 1, 1995, to apply. This change means that there is no longer a restriction based on the year of passing Class 12, enabling older applicants to participate in the exam, which could intensify competition due to a broader applicant pool. 

Also Check Out: IAT Application Form 2025 (March 05)

As per IISER aptitude test eligibility criteria 2025, applicants must be Indian Nationals, PIO, or OCI. In terms of the required IISER aptitude test qualification, applicants must have cleared Class 12 or equivalent examination from a board recognized by COBSE (Council of Boards of School Education in India). They must have a science background, having studied at least three subjects from Physics, Chemistry, Mathematics, and Biology. Applicants from SC/ ST/ and Pwd categories must score a minimum of 55% marks in aggregate while the ones belonging to other categories must score a minimum of 60% marks in aggregate or equivalent grade during the Class 12 examination. If any information makes a candidate ineligible, the application form will be rejected. 

IISER eligibility criteria 2025 include qualifying exam scores, nationality, educational background, and other relevant information that must be submitted when applying. Students can find detailed IISER 2025 eligibility criteria on this page.

Detailed IAT 2025 Eligibility

Candidates can check details about IISER aptitude test eligibility criteria 2025 below:

  • Indian National, PIO & OCI candidates are eligible to apply. 
  • Candidates must have passed the Class XII (or equivalent) exam with science stream from any board recognized by the Council of Boards of School Education in India COBSE as per IISER eligibility criteria 2025.
  • NEW: Candidates must be born on or after October 1, 2000. However, SC, ST, and PwD candidates get a five-year age relaxation, so they must be born on or after October 1, 1995. There is no restriction on the year they completed Class 12.
  • Candidates must have studied at least three subjects from Biology, Chemistry, Mathematics, and Physics in their Class XII (or equivalent) examination as per IAT 2025 eligibility criteria.
  • Candidates of the SC/ST/PwD category must have scored a minimum of 55% marks in aggregate or equivalent grade in their Class XII (or equivalent) exam.
  • Candidates belonging to other categories should have scored a minimum of 60% marks in aggregate or equivalent grade in their Class XII (or equivalent) exam.
  • Candidates passing out from the J&K Board of School Education (JKBOSE), from Winter Zone areas of Jammu division and the U.T. of Ladakh/ Kashmir division, who had appeared in Dec 2021 for their Class 12th or equivalent examination are also eligible for IISER Aptitude Test 2025.
  • Candidates belonging to Kashmiri Pandit/Kashmiri Hindu Families (Non-Migrants) may also apply for the aptitude test as Kashmiri Migrants. They should upload a valid domicile certificate at the time of application in place of a "Kashmiri Migrant Certificateโ€ and qualify for all the other eligibility criteria.

IAT 2025 Eligibility Criteria: Reservation Policy

Candidates who are going to apply for IISER Aptitude Test 2025 and belong to the reserved category should check the reservation policies for IISER 2025 eligibility criteria. 

  • The Scheduled Caste (SC) candidates reserve 15% of seats.
  • Candidates from Scheduled Tribe (ST) reserve 7.5% of seats.
  • Candidates from Other Backward Classes belonging to the Non-Creamy Layer (OBC-NCL) gets the 27% of seat reservation.
  • Candidates who have disabilities (PwD candidates) with at least 40% impairment reserve the 5% of seats (supernumerary).
  • Kashmiri Migrants get 3 seats per IISER in the reservation (supernumerary).
  • EWS - up to 10% (according to Government of India rules). It should be noted that the EWS/OBC-NCL certificate must have been issued on or after April 1, 2025.

Note -  Candidates will require to submit the category certificates while filling out IISER Entrance Exam 2025 application form.

Similar Exams :

Mode of IISER Admission 2025

  • The IISER Aptitude Test (IAT) is the exclusive channel of admission to IISERs.
  • The aptitude test is a computer-based test which will be held at different exam centres across India.

Name of the Board

Cut-off

AMU Board

81.4

Andhra Pradesh

94.8

Assam

71.9

Bihar

70.0

CBSE

88.3

Chattisgarh

74.1

Goa

82.6

Gujarat

60.2

Haryana

85.5

Himachal Pradesh

79.3

ICSE

93.3

Jammu & Kashmir

86.2

Jharkhand

60.0

Karnataka

88.0

Kerala

93.1

Madhya Pradesh

85.2

Maharashtra

76.1

Manipur

79.0

Meghalaya

67.0

Mizoram

63.8

Nagaland

63.0

National Institute of Open Schooling (NIOS)

83.6

Odisha

68.6

Punjab

80.4

Rajasthan

76.9

Tamil Nadu

95.1

Telangana

94.7

Tripura

60.0

Uttarakhand

66.1

Uttar Pradesh

74.3

Visva-Bharati

83.1

West Bengal

75.9

Want to know more about IISER Aptitude Test

FAQs about IISER Aptitude Test Eligibility

Is the IISER exam challenging?

According to the reactions of students who took the IAT exam in the past few years, the IISER Aptitude Test difficulty level was moderately easy. Those who have thoroughly studied in grades 11 and 12 will find the examination easy to take.

Is IIT better than IISER?

IISERs have better placements than IITs in terms of research opportunities and academic quality. Following completion of their degree, the majority of IISER graduates pursue further education in India or abroad.

What are the channels available for admission into IISER?

Admission to IISERs is done exclusively through the IISER Aptitude Test (IAT), a computer-based test scheduled for June 09, 2024 Sunday, at 9:00 AM, at exam centres across India.

 

What is the age limit for the IISER Aptitude Test 2025?

IISER Aptitude Test 2025 does not impose a specific age limit for candidates. However, there are some important eligibility criteria related to age:

  • General Candidates: Must be born on or after October 1, 2000.
  • SC/ST/PwD Candidates: There is a relaxation of five years, meaning they should be born on or after October 1, 1995

Is Biology compulsory for the IISER Aptitude Test 2025?

No, Biology is not a compulsory subject to appear for IAT 2025. Students must have studied at least three subjects among Biology, Chemistry, Mathematics and Physics during their Class XII (or equivalent) exam.

What is the minimum percentage of marks to be eligible for IISER Aptitude Test 2025?

The minimum percentage of marks to be eligible for IISER Aptitude Test 2025 for General / OBC NCL/ EWS category aspirants is 60% or a similar grade, while for SC/ ST/ PWD aspirants it is 55% marks.

Who is eligible for IISER Aptitude Test (IAT) 2025?

Students must have qualified Class XII (or equivalent) with a science stream from a board recognised by the Council of Boards of School Education (COBSE) in India. You can check the detailed IAT 2025 eligibility on this page!

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