The Indian Institutes of Science Education and Research (IISER) have officially announced that registration for the IISER Aptitude Test (IAT) 2026 will begin on March 5, 2026, through the official admission portal iiseradmission.in. Students aspiring to pursue advanced education in science and research at India’s top scientific institutes must complete the application process within the specified timeline to participate in the entrance examination.

The IISER Aptitude Test (IAT) 2026 serves as one of the primary gateways for admission into the prestigious five-year BS-MS dual degree programmes offered by IISER campuses across India. These institutes are globally recognized for their emphasis on scientific research, interdisciplinary education, and academic excellence.

Candidates planning to apply must carefully review the registration schedule, eligibility criteria, application steps, exam pattern, and admission process to ensure a smooth application experience.

IISER IAT 2026 Important Dates

The IISER admission portal provides a clear timeline for applicants preparing to apply through the IAT 2026 examination route.

Key Schedule for IISER IAT 2026

Event	Date
Registration Begins	March 5, 2026
Last Date for Application Submission	Expected April 2026
Admit Card Release	May 2026
IAT 2026 Examination Date	Expected June 2026
Result Announcement	June / July 2026
Counselling and Seat Allocation	July 2026

Applicants should frequently check the official IISER admission website to stay updated with any announcements or changes in the schedule.

What is IISER Aptitude Test (IAT)

The IISER Aptitude Test (IAT) is a national-level entrance examination conducted for admission into the five-year BS-MS dual degree programme in basic sciences offered by IISER institutes.

The test evaluates students’ understanding of core science subjects including Physics, Chemistry, Mathematics, and Biology.

The IAT is designed to identify students who demonstrate strong analytical ability, conceptual clarity, and a passion for scientific research.

Successful candidates gain admission to IISER campuses that provide world-class laboratories, research opportunities, and mentorship from leading scientists.

List of IISER Campuses Offering Admission Through IAT 2026

Candidates qualifying in IAT 2026 can seek admission to the following IISER institutes:

IISER Pune
IISER Kolkata
IISER Mohali
IISER Bhopal
IISER Thiruvananthapuram
IISER Tirupati
IISER Berhampur

Each IISER campus offers a five-year integrated BS-MS programme designed to build a strong foundation in scientific research.

Students benefit from hands-on laboratory experience, interdisciplinary coursework, and research internships throughout their academic journey

IISER IAT 2026 Eligibility Criteria

Students applying for IISER IAT 2026 registration must meet specific eligibility requirements.

Educational Qualification

Candidates must have passed Class 12 or equivalent examination with science subjects from a recognized board.

Mandatory subjects typically include:

Physics
Chemistry
Mathematics
Biology

Year of Passing

Applicants should have completed their Class 12 examination in 2025 or 2026.

Minimum Marks Requirement

Candidates are expected to secure a strong academic record in science subjects, though specific marks criteria may vary depending on admission guidelines.

Nationality

Both Indian nationals and certain eligible international students may apply through the IISER admission portal.

How to Apply for IISER IAT 2026 Registration

The entire application process for IISER IAT 2026 will be conducted online through the official website.

Step-by-Step Application Process

Visit the official admission portal – iiseradmission.in
Create a new candidate account using email ID and mobile number
Fill in personal details and academic information
Upload required documents, including photograph and signature
Select examination preferences
Pay the application fee online
Submit the application form and download confirmation

Applicants should carefully review all information before submitting the form to avoid errors.

IISER IAT 2026 Application Fee

The application fee varies depending on the category of the applicant.

Expected Application Fee Structure

Category	Fee
General / OBC / EWS	Approx ₹2000
SC / ST / PwD	Approx ₹1000

The fee must be paid through online payment methods such as debit card, credit card, or net banking.

IISER IAT 2026 Exam Pattern

The IAT examination pattern is structured to assess scientific aptitude and analytical skills.

Exam Format

Mode: Computer-based test
Duration: Approximately 3 hours
Subjects: Physics, Chemistry, Mathematics, Biology
Question Type: Multiple choice questions

Each subject typically contains a balanced number of conceptual and analytical questions designed to evaluate the student’s understanding of fundamental science concepts.

Preparation Strategy for IISER IAT 2026

Students aiming to secure admission through IISER IAT 2026 should focus on building strong conceptual clarity across all core science subjects.

Key Preparation Tips

Strengthen fundamental concepts from Class 11 and 12 science syllabus
Practice previous years’ IAT question papers
Focus on problem-solving and analytical reasoning
Develop time management strategies for the exam

Regular practice and consistent revision are essential for achieving a competitive score in the IISER aptitude test.

Counselling and Seat Allocation Process

After the IAT 2026 results are announced, qualified candidates will participate in the online counselling process.

Seat Allocation Steps

Registration for counselling
Preference submission for IISER campuses
Seat allocation based on merit rank
Document verification
Final admission confirmation

Candidates must complete each step within the deadline to secure their seat in the IISER programme.

Why IISER Is One of India’s Most Prestigious Science Institutions

The Indian Institutes of Science Education and Research are known for their unique academic model that combines undergraduate education with intensive research training.

Key advantages of studying at IISER include:

World-class faculty and research infrastructure
Strong focus on fundamental sciences
International research collaborations
Opportunities for PhD and advanced research

Graduates from IISER frequently pursue doctoral research at leading universities and research institutes worldwide.

Career Opportunities After IISER BS-MS Program

Students graduating from IISER gain a strong foundation in scientific research and analytical thinking.

Popular Career Paths

Scientific research and academia
PhD programmes in India and abroad
Biotechnology and pharmaceutical industries
Data science and analytics
Government research organizations

The integrated BS-MS program prepares students for long-term careers in science, innovation, and technology development.

A Gateway to Advanced Scientific Research

The opening of IISER IAT 2026 registration from March 5 at iiseradmission.in marks an important opportunity for students aspiring to pursue careers in scientific research and advanced science education.

With its rigorous academic framework, research-driven curriculum, and access to world-class faculty, IISER continues to nurture the next generation of scientists, innovators, and researchers.

Students interested in applying should carefully review the eligibility criteria, application process, and exam pattern before completing their registration through the official IISER admission portal.

The IISER Aptitude Test 2026 remains one of the most prestigious pathways for young science enthusiasts seeking to contribute to the future of scientific discovery.