IISER IAT 2026: Selective Document Upload Form Filling Process Begins; Check Important Dates, Documents Required and Admission Details

The Indian Institutes of Science Education and Research (IISER) have started the Selective Document Upload Form filling process for candidates who appeared in the IISER Aptitude Test (IAT) 2026. This is an important step in the admission process for students seeking admission to BS-MS, BS, and B.Tech programmes offered through the IISER admission system. Candidates can now log in to the admission portal and upload the required documents within the specified deadline.

According to the latest notification, the selective document upload facility is now active on the official IISER admission portal. Eligible candidates must complete the document submission process on or before June 21, 2026, by 11:55 PM. Authorities have advised students to upload all necessary certificates and academic documents carefully to avoid issues during the counselling and seat allotment stages.

Document Upload Process Begins for IAT 2026 Candidates

The launch of the selective document upload form marks the beginning of the next phase of the IISER admission process. Candidates who appeared for the IAT 2026 examination and are interested in participating in the admission process must complete this mandatory requirement within the prescribed timeline.

The admission authorities have clarified that only eligible candidates should submit the required documents through the online portal. Failure to upload the required documents before the deadline may affect a candidate’s eligibility during counselling and admission verification.

Last Date for Selective Document Upload

Candidates must note the important deadline announced by IISER authorities.

Important Date

Students are advised not to wait until the last day because heavy traffic on the portal may lead to technical difficulties.

Why Is the Selective Document Upload Important?

The document upload process allows IISER authorities to verify the academic and category-related credentials of candidates before counselling begins. The uploaded documents will be checked during the admission process to confirm eligibility and reservation claims.

The verification process helps ensure that only eligible candidates are considered for seat allocation across participating IISER campuses and programmes. Candidates who fail to submit valid documents may face rejection during verification.

Documents Candidates May Need to Upload

Students should keep all necessary documents ready before accessing the upload portal. While the exact requirements may vary depending on the category and admission status of the candidate, commonly required documents include:

• Class 12 mark sheet
• Passing certificate of Class 12
• Category certificate (if applicable)
• EWS certificate (if applicable)
• PwD certificate (if applicable)
• Valid photo identity proof
• Recent passport-size photograph
• Signature image
• Other supporting certificates mentioned in the admission guidelines

Candidates must ensure that scanned copies are clear and uploaded in the prescribed format and file size.

How to Fill the IISER IAT 2026 Selective Document Upload Form?

Candidates can follow these simple steps to complete the document upload process:

Step 1: Visit the Official Admission Portal

Go to the IISER admission website and open the candidate login page.

Step 2: Login Using Credentials

Enter your application number, user ID, password, or other required login details.

Step 3: Open the Selective Document Upload Form

After logging in, locate the document upload section available on the dashboard.

Step 4: Upload Required Documents

Upload scanned copies of all documents requested by the admission authority.

Step 5: Verify Details

Check all uploaded files carefully before proceeding.

Step 6: Submit the Form

Submit the form and save the confirmation page for future reference.

Candidates should download or print the acknowledgement page after successful submission.

IAT 2026 Answer Key Already Released

Along with the document upload notification, IISER authorities have already released the provisional answer key for IAT 2026. Candidates were allowed to review their responses and raise objections during the specified challenge period.

The answer key helps candidates estimate their probable scores before the declaration of results. The objection window has already concluded, and the final answer key and result announcement are expected soon.

What Happens After Document Upload?

After successful submission of documents, candidates will have to wait for the declaration of the IAT 2026 result and subsequent counselling announcements.

The counselling process generally includes:

• Registration for counselling
• Choice filling of preferred institutes
• Seat allotment rounds
• Acceptance of allotted seat
• Document verification
• Final admission confirmation

Candidates who qualify the examination and complete all admission formalities will be considered for admission to various IISER programmes.

Programmes Offered Through IISER Admission 2026

Admissions through IAT 2026 are being conducted for several science-focused undergraduate programmes. These include:

• Five-Year BS-MS Dual Degree Programme
• Four-Year BS Programme
• B.Tech Programme at select institutes

The programmes are offered by participating IISER institutions across the country. Admission is primarily based on merit and performance in the IISER Aptitude Test.

Participating IISER Campuses

Candidates obtaining qualifying ranks in IAT 2026 may become eligible for admission to participating IISER campuses, including:

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

Seat allocation will depend on rank, category, seat availability, and preferences filled during counselling.

Eligibility Verification Remains Crucial

Even after qualifying the entrance examination, candidates must satisfy all eligibility requirements. Authorities verify academic qualifications, category certificates, and other documents before granting final admission.

Any discrepancy found during verification may lead to cancellation of candidature. Therefore, students should carefully review all uploaded documents and ensure they match the information provided in the application form.

Students Advised to Complete the Process Early

Admission experts advise candidates to complete the selective document upload process well before the deadline. Early submission reduces the risk of server issues and gives students enough time to correct any mistakes if required.

Candidates should also regularly monitor the official admission portal for updates regarding results, counselling registration, seat allotment schedules, and admission announcements.

Conclusion

The IISER IAT 2026 Selective Document Upload Form has officially been activated, marking a key milestone in the admission process. Candidates who appeared for the entrance examination should upload the required documents before June 21, 2026, to remain eligible for upcoming counselling and seat allotment rounds. With the answer key already available and results expected soon, students should keep all admission-related documents ready and closely follow official announcements.

Written by Simran

Simran is currently working as a Senior Content Writer at Findmycollege , where she creates engaging and research-driven learning resources for students. She has completed her Graduation in Journalism from Delhi University. With 4 years of experience in the EdTech industry, she has previously contributed to leading platforms like Leverage Edu and Aakash. Her expertise lies in simplifying Engineering and Medical entrance exam content to guide aspirants in their preparation journey. Beyond writing, Simran enjoys sketching, watching movies, and finding creative inspiration in everyday life.

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