Overview

World-class undergraduate education in basic science with integrated research training is provided by Indian Institutes of Science Education and Research (IISERs). Drawing directly from the official portal at iiseradmission.in and relevant sources, this guide offers accurate information on IISER Admissions 2026 for BS-MS dual degree and BS programs.

About IISER

What is IISER?

The Ministry of education, Government of India, oversees the autonomous IISERs, which include seven campuses—Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, and Tirupati—and are dedicated to providing excellent science education and research.

Programs Offered

• BS-MS Dual Degree (5 years): Integrated program awarding both BS and MS degrees in core sciences.
• BS Degree (4 years): Undergraduate program in select disciplines at participating IISERs.

Official website: iiseradmission.in

Eligibility Criteria for IISER 2026

Core Requirements

• Class 12 (or equivalent): Passed in 2024, 2025, or appearing in 2026 from a CBSE – recognized board; science stream with at least three subjects from Biology, Chemistry, Mathematics, Physics.
• Minimum Marks: 60% aggregate (General/OBC-NCL/EWS); 55% (SC/ST/PwD). Grades must equate accordingly.
• Nationality: Indian nationals, OCI/PIO, foreign nationals eligible.
• Age/Attempts: No upper age limit; multiple IAT attempts allowed if eligible.

Special Provisions

• Awaiting Class 12 Results: Apply with signed declaration; upload marks by July 7, 2026, or risk seat cancellation.
• Ineligible Cases: Pre-2024 passers, non-science streams, insufficient subjects/marks.

IISER Aptitude Test (IAT) 2026

Test Details

• Mode: Computer-based (CBT), multi-shift with normalization.
• Expected Date: Around June 2026 (based on prior patterns; 2025 was May 25).
• Duration: 3 hours.
• Structure: ~60 questions (Physics: ~15-25%, Chemistry: ~15-25%, Math: ~15-25%, Biology: ~15-25% in equal distribution across PCMB).
• Marking: +4 for correct (MCQ), -1 for incorrect, 0 unattempted (confirm via official notification).
• Languages: English, Hindi, others.
• Centers: Major Indian cities; select 4 preferences during application.

Important Dates for IISER 2026 (Tentative)

Event	Expected Timeline
Application Opens	Thursday, March 5, 2026
Application Closes	Monday, April 13, 2026
Admit Card	May 2026
IAT Exam	June 2026
Results	June 2026 (end)
Counselling Registration	June-July 2026
Seat Allotment (Multiple Rounds)	July-August 2026
Final Admission	August 2026

NOTE: Verify on iiseradmission.in; dates subject to official notification.

Application Process — Step-by-Step

• Eligibility Check: Confirm criteria above.
• Register Online: At iiseradmission.in; provide name, email, mobile for OTP verification and registration ID.
• Fill Form: Enter personal, educational details (Class 12 marks/expected), exam preferences (language, 4 city choices), IISER rankings (post-results for counselling).

Upload Documents:

Document	Specs
Photo	10-200 KB, JPEG/PNG, passport size
Signature	4-30 KB, black ink
Class 10/12 Marks	50-500 KB; declaration if pending
Category/PwD/EWS	If applicable, from competent authority

Pay Fee:

Category	Fee
General/OBC-NCL/EWS	₹2,000
SC/ST/PwD	₹1,000
Foreign	~$100

Online via card/net banking.

• Submit & Track: Final submit irreversible; download confirmation; monitor portal.
• Counselling (Post-IAT): Online registration, choice filling (IISERs/programs), seat allotment based on rank, preferences, category. Options: Freeze or Float. Seat.
• Acceptance Fee: ₹35,000 (Gen et al.), ₹17,500 (SC/ST); non-refundable portion applies.

Admit Card & Exam Day

• Download: Login post-release (May/June 2026); print with photo ID (Aadhaar preferred).
• Carry: Admit card, ID, Class 12 marks (advised).
• Prohibited: Electronics, calculators, bags.
• Reporting: 30-45 min early.

Counselling & Seat Allotment

• Online Only: No in-person visits initially.
• Process: Register post-results; fill IISER preferences; multiple rounds; provisional offers based on IAT rank, choices, seats.
• Options: Accept/Freeze (exit), Float (upgrade), Reject (exit).
• Final: Report to allotted IISER with originals for verification; pay balance fees.
• Seats: ~2,000+ across campuses (e.g., Berhampur: 300); category-wise reservation applies.

Syllabus Overview (Class 11-12 NCERT Level)

Physics

• Class 11: Units, Kinematics, Laws of Motion, Work-Energy, Rotational Motion, Gravitation, Properties of Matter, Thermodynamics, Waves, Oscillations.
• Class 12: Electrostatics, Current Electricity, Magnetism, EMI, AC, Optics, Modern Physics, Semiconductors.

Chemistry

• Physical: Atomic Structure, Thermodynamics, Equilibrium, Kinetics, Electrochemistry, Solutions.
• Inorganic: Periodic Table, Bonding, s/p/d/f Blocks, Coordination Compounds.
• Organic: Basics, Hydrocarbons, Haloalkanes, Alcohols, Aldehydes, Amines, Biomolecules (incomplete in source; full NCERT expected).

Mathematics

    Sets, Algebra, Trigonometry, Calculus, Vectors, Probability, Relations.

Biology

Diversity, Cell Structure, Genetics, Ecology, Human Physiology, Biotechnology.

Preparation Tip: Focus on NCERT; practice past IAT papers. Official syllabus on iiseradmission.in post-notification.