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IISER AT

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The IISER Aptitude Test (IISER AT) is a national-level entrance examination for admission to the BS-MS dual degree and related science programmes at the Indian Institutes of Science Education and Research (IISERs). IISER AT assesses candidates in Biology, Chemistry, Mathematics and Physics, and is the route to admission for students aspiring to pursue integrated science education and research careers. Conducted in computer-based online mode, the test is held for science stream candidates who have completed their higher secondary education. The IISERs are premier institutes dedicated to undergraduate and postgraduate science education combined with research. Exact pattern and eligibility are notified for each cycle. This page covers complete IISER AT details – eligibility, exam pattern, important dates, application process and preparation tips.

IISER AT Important Dates

Application Start Date
05 Mar 2026
Last Date to Apply
13 Apr 2026
Admit Card
25 May 2026
Exam Date
07 Jun 2026
Answer Key
29 Jun 2026
Result
29 Jun 2026
Counselling
02 Jul 2026

IISER AT Resources

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About IISER AT

IISER AT is the IISER Aptitude Test, a national-level entrance for admission to the BS-MS dual degree programme at the Indian Institutes of Science Education and Research.

What is IISER AT?

  • National-level entrance for IISER admissions.
  • For the BS-MS dual degree and related science programmes.
  • Covers Biology, Chemistry, Mathematics and Physics.
  • Conducted in computer-based online mode.

IISER AT Highlights

FeatureDetails
Exam NameIISER Aptitude Test (IISER AT)
Conducting BodyIndian Institutes of Science Education and Research (IISERs)
Exam LevelNational
FrequencyOnce a year
ModeOnline (computer-based test)
Courses OfferedBS-MS dual degree and science programmes
Official Websiteiiseradmission.in

IISER AT Exam Pattern

  • Objective questions from Biology, Chemistry, Mathematics and Physics.
  • Computer-based test format.
  • Refer to the official notification for exact marks, question count and duration.

IISER AT Eligibility

  • Class 12 in the science stream with the required subjects.
  • Minimum marks criteria apply, with relaxation for reserved categories.
  • See the official information brochure for exact eligibility.

IISER AT Selection Process

  • Appear for IISER AT and obtain a score.
  • Qualify the cut-off as per category.
  • Participate in counselling for seat allotment.
  • Complete admission to the allotted IISER.

How to Apply for IISER AT

  1. Visit iiseradmission.in.
  2. Register to generate login credentials.
  3. Fill the application form.
  4. Upload photograph, signature and documents.
  5. Pay the fee online.
  6. Submit and print the confirmation.

How to Prepare for IISER AT

  • Master the Class 11 and 12 syllabus in PCMB.
  • Practise previous papers and mock tests.
  • Strengthen problem-solving and analytical skills.
  • Revise concepts and work on speed and accuracy.

Frequently Asked Questions

Who conducts IISER AT?

The Indian Institutes of Science Education and Research (IISERs).

What is IISER AT for?

Admission to the BS-MS dual degree and related science programmes.

What subjects are tested?

Biology, Chemistry, Mathematics and Physics.

What is the mode of IISER AT?

Online (computer-based test).

Where can I apply?

On the official website, iiseradmission.in.