IISER Aptitude Test — Complete Guide
Everything you need to know about Indian Institutes of Science Education and Research Aptitude Test (IISER Aptitude Test) — syllabus, exam pattern, eligibility and 2027 dates, plus free chapter-wise study material. 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.
Year-wise IISER Aptitude Test guides
What happened in IISER Aptitude Test 2026
The IISER Aptitude Test 2026 was held on 7 June 2026.
| Event | Date (2026 cycle) |
|---|---|
| Exam | 7 June 2026Held |
IISER Aptitude Test 2027 important dates
| Event | Date (2027 cycle) |
|---|---|
| Exam | Expected June 2027 (not yet announced)Expected |
"Expected" means not officially announced yet. Check the official IISER Aptitude Test website for confirmed dates.
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
Map the syllabus
Print the full syllabus and rate yourself 1–5 on every chapter before you start.
- 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
NCERT first, then advanced
Finish NCERT cover-to-cover before jumping to advanced books or coaching modules.
- Build My Plan
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.
- 4
Mock tests every weekend
Take a full-length mock every Saturday from month 3 onwards. Analyse — don’t just attempt.
- 5
Spaced revision
Revisit each chapter at days 1, 7, 21 and 60. Use a one-page formula sheet per chapter.
- 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
IISER Aptitude Test Practice Questions
Subject-wise MCQs to test your prep
IISER Aptitude Test Revision Notes
Key formulas, concepts, and quick revision
IISER Aptitude Test Formula Sheet
All formulas organised by subject
IISER Aptitude Test Important Topics
High-weightage chapters by subject
IISER Aptitude Test Syllabus
Subject-wise topics and weightage
IISER Aptitude Test Study Plan
Month-wise preparation strategy
Frequently asked
IISER Aptitude Test FAQs
Quick answers to the questions we hear most often.
What is IISER Aptitude Test?
When is IISER Aptitude Test 2027?
When was IISER Aptitude Test 2026 held?
What is the IISER Aptitude Test 2027 syllabus?
What are the important topics for IISER Aptitude Test?
How to prepare for IISER Aptitude Test 2027?
Where can I practise IISER Aptitude Test mock tests and previous year papers?
What is the eligibility for IISER Aptitude Test?
What is a good score in IISER Aptitude Test?
IISER Aptitude Test tools & predictors
Free calculators and predictors to plan your IISER Aptitude Test 2027 prep.
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What the course actually costs, how students fund it, and what the job pays.
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