IISER IAT 2026 Registration Underway: Complete Guide for Aspirants
The Indian Institutes of Science Education and Research (IISERs) have officially opened the registration window for the IISER Aptitude Test (IAT) 2026, a crucial entrance exam for students aspiring to pursue science and research at premier institutes in India.This article provides a comprehensive, authentic, and student-friendly guide covering application dates, eligibility, process, fees, and direct official links.
🔗 Official Application Link
Important Dates (IAT 2026)
The IISER admission timeline is now active. Candidates must keep track of these critical dates:
- Application Start Date: 5 March 2026
- Last Date to Apply: 13 April 2026
- Application Correction Window: 16–18 April 2026
- Admit Card Release: 24 May 2026
- IAT 2026 Exam Date: 7 June 2026 (9 AM – 12 PM)
The exam will be conducted in computer-based mode across multiple centers in India.
What is IISER IAT?
The IISER Aptitude Test (IAT) is the primary gateway for admission into:
- 5-year BS-MS Dual Degree Programs
- 4-year BS Programs
offered at IISER campuses such as:
- Pune
- Bhopal
- Kolkata
- Mohali
- Thiruvananthapuram
- Tirupati
- Berhampur
Notably, admission is now primarily based on IAT scores, emphasizing its importance.
Eligibility Criteria
Before applying, candidates must ensure they meet the official eligibility requirements:
Academic Qualification
- Must have passed Class 12 (Science stream) in 2024, 2025, or 2026
- Must have studied at least three subjects among Physics, Chemistry, Mathematics, Biology
Minimum Marks
- General/OBC/EWS: Minimum 60% aggregate
- SC/ST/PwD: Minimum 55% aggregate
Nationality
- Indian citizens, PIO/OCI candidates eligible
- Foreign nationals apply via different channels
Step-by-Step Application Process
Candidates must apply online only through the official portal.
Steps to Apply:
- Visit the official website
- Register using email ID and mobile number
- Fill in personal and academic details
- Upload required documents (photo, signature, certificates)
- Pay application fee online
- Submit and download confirmation
The process is straightforward but requires accurate data entry and document upload.
Application Fee
- General / OBC / EWS: ₹2000
- SC / ST / PwD: ₹1000
- Foreign Nationals: USD 100
Payment must be made via online modes only (card/net banking/UPI).
Exam Pattern (Overview)
While detailed pattern is in the official brochure, key points include:
- Mode: Computer-Based Test
- Subjects: Physics, Chemistry, Mathematics, Biology
- Duration: 3 hours
The exam evaluates conceptual understanding and analytical skills, not rote learning.
Selection Process
Admission is based on:
- IAT Score
- Rank
- Seat availability
- Preference filling during counselling
Qualified candidates must participate in online counselling to secure admission.
Why IISER?
IISERs are among India’s most prestigious institutions for science education:
- Strong focus on research and innovation
- Integrated BS-MS programs
- Opportunities for PhD and global research careers
Graduates often move into top research institutes, global universities, and industry roles.
Important Tips for Students
- Apply well before the deadline (April 13, 2026)
- Keep scanned documents ready
- Double-check eligibility criteria
- Track updates only on the official website
The opening of the IISER IAT 2026 registration window marks the beginning of an important journey for science aspirants. With a clear timeline, structured process, and strong academic opportunities, IISER remains one of the best pathways for students passionate about research and scientific careers.
Students are advised to apply early, prepare strategically, and stay updated through official sources to maximize their chances of success.