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IISER Aptitude Test 2027 — Syllabus & Study Material

Dates, syllabus and exam pattern for Indian Institutes of Science Education and Research Aptitude Test (IISER Aptitude Test) 2027, conducted by IISERs.

IISER Aptitude Test 2027 dates haven't been announced yet. The dates below are the usual windows, based on when the 2026 exam was held; IISERs confirms the real dates in its official notification.

Expected exam:June 2027Conducted by:IISERsCategory:Science

IISER Aptitude Test 2027 important dates

EventDate (2027 cycle)
ExamExpected June 2027 (not yet announced)Expected

"Expected" means not officially announced yet. Check the official IISER Aptitude Test website for confirmed dates.

Step-by-step timeline: IISER IAT 2027 dates & admission timeline

IISER Aptitude Test key facts

  • 60 questions, 15 each in Biology, Chemistry, Mathematics and Physics; +4 / −1; 240 marks; 180 minutes; computer-based. Rank is on the total, so prepare all four.
  • Since 2024 the IAT is the only admission channel to the IISERs — the JEE Advanced, KVPY and State/Central Board channels were dropped.

From the latest official notice. Confirm in the 2027 notification from IISERs.

Subjects covered in IISER Aptitude Test

Tap a subject for its chapter-wise IISER Aptitude Test syllabus.

Roadmap

How to prepare for IISER Aptitude Test 2027 — 6-step plan

  1. 1

    Map the syllabus

    Print the full syllabus and rate yourself 1–5 on every chapter before you start.

  2. 2

    Build a 6-month plan

    Front-load Class 11 chapters in months 1–3 and Class 12 in months 4–6. Reserve the last month for revision.

  3. 3

    NCERT first, then advanced

    Finish NCERT cover-to-cover before jumping to advanced books or coaching modules.

  4. Halfway through?

    Plan your IISER Aptitude Test prep with Super Tutor

    Super Tutor's study planner turns a plan like this into a week-by-week schedule, with notes and quizzes for each chapter.

    Build My Plan
  5. 4

    Mock tests every weekend

    Take a full-length mock every Saturday from month 3 onwards. Analyse — don’t just attempt.

  6. 5

    Spaced revision

    Revisit each chapter at days 1, 7, 21 and 60. Use a one-page formula sheet per chapter.

  7. 6

    Fix weak chapters

    In the final 6 weeks, focus 60% of your time on your bottom-5 chapters. That’s where the biggest score gains live.

Free resources

Study resources for IISER Aptitude Test

These follow the latest syllabus IISERs has published. Check the 2027 notification for any changes when it is out.

Subjects

Physics(28)Chemistry(19)Mathematics(27)Biology(32)

Looking for a different year?

IISER Aptitude Test — main guide

Frequently asked

IISER Aptitude Test FAQs

Quick answers to the questions we hear most often.

What is IISER Aptitude Test?
IISER Aptitude Test stands for Indian Institutes of Science Education and Research Aptitude Test. It is conducted by IISERs and is one of the entrance exams students in India take after Class 12 or graduation.
When is IISER Aptitude Test 2027?
IISER Aptitude Test 2027 dates haven't been announced yet. In 2026 the exam was held 7 June 2026, so expect it around June 2027. IISERs confirms the dates in its official notification.
What is the IISER Aptitude Test 2027 syllabus?
The official IISER Aptitude Test syllabus is published with the IISER Aptitude Test notification. Until the 2027 notification is out, prepare from the latest official syllabus. Our IISER Aptitude Test syllabus page lists it subject by subject, with chapter-wise notes and practice for each chapter.
What are the important topics for IISER Aptitude Test?
Weightage differs by subject and shifts a little each year. Our IISER Aptitude Test important topics page lists the key chapters and concepts subject by subject, so you can revise those first.
How to prepare for IISER Aptitude Test 2027?
Start by understanding the complete syllabus and exam pattern. Focus on high-weightage topics, practise previous year papers and take mock tests regularly. See the 6-step preparation plan above for a step-by-step strategy.
Where can I practise IISER Aptitude Test mock tests and previous year papers?
This page links to free chapter-wise practice questions, revision notes and formula sheets for IISER Aptitude Test. Full-length mock exams and previous-year paper practice (where our question bank has that exam's papers) are in the Super Tutor app — mock exams come with the paid plans, and the free trial includes one.
What is the eligibility for IISER Aptitude Test?
Eligibility criteria are published in the official IISER Aptitude Test notification or information bulletin — educational qualification, age limits and any domicile rules. Check the latest one on the official website before you apply.
What is a good score in IISER Aptitude Test?
A good score depends on the college and course you're targeting. IISERs or the counselling authority publishes cutoffs or closing ranks after each round — use the latest ones as your target.

IISER Aptitude Test tools & predictors

Free calculators and predictors to plan your IISER Aptitude Test 2027 prep.

After IISER Aptitude Test — fees, loans & pay

What the course actually costs, how students fund it, and what the job pays.

Related entrance exams

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Chapter notes, practice quizzes, a study planner and an AI doubt solver for IISER Aptitude Test. Start free — mock exams come with the paid plans, and the free trial includes one.

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