IISER IAT Answer Key 2026 Released: Download Provisional PDF at iiseradmission.in
The IISER IAT 2026 provisional answer key was released on June 7, 2026, at iiseradmission.in; candidates can download it directly from the official website’s homepage under the “IAT 2026 Provisional Answer Key” link.
Download Here: IISER IAT Answer Key 2026
IISER IAT 2026 Answer Key Overview
| Parameter | Details |
|---|---|
| Exam Name | IISER Aptitude Test (IAT) 2026 |
| Exam Conducting Body | Indian Institutes of Science Education and Research (IISER) |
| Exam Date | June 7, 2026 (9:00 AM – 12:00 Noon IST) |
| Provisional Answer Key Release | June 7, 2026 |
| Response Sheet Available | June 9, 2026 |
| Objection Window Opens | June 9, 2026 |
| Objection Window Closes | June 13, 2026 |
| Final Answer Key (Tentative) | 4th week of June 2026 |
| Official Website | iiseradmission.in |
How to Download IISER IAT 2026 Answer Key
Follow these steps to download the provisional answer key PDF:
Step 1: Visit Official Website
Go to the official IISER admission portal: iiseradmission.in
Step 2: Click Answer Key Link
On the homepage, click the link titled “IAT 2026 Provisional Answer Key”
Step 3: Select Language & Download
Choose either: - Provisional Answer Key (English): IAT 2026 - Provisional Answer Key (Hindi): IAT 2026 The PDF will open on your screen.
Step 4: Save & Print PDF
Download and save the file. Take a printout for future reference and score comparison.
IISER IAT 2026 Response Sheet & Objection Window
Response Sheet Release Date
The student response sheet will be available from June 9, 2026, allowing candidates to verify their recorded answers [web:1][web:2].
How to Raise Objections Against Answer Key
If you find discrepancies:
- 1. Visit iiseradmission.in
- 2. Click the IAT 2026 Answer Key Objection Portal link
- 3. Log in (if required)
- 4. Select the question(s) and upload supporting documents
- 5. Pay any applicable objection fee
Objection Submission Deadline
Objections can be submitted from June 9 to June 13, 2026. Late submissions will not be accepted.
IISER IAT 2026 Marking Scheme & Score Calculation
Marking Scheme
- +3 marks for each correct answer - –1 mark for each incorrect answer - No penalty for unattempted questions
Step-by-Step Tentative Score Calculation
1. Download the answer key and response sheet [web:6] 2. Compare your answers with the official correct answers 3. Count correct and incorrect answers 4. Apply: Tentative Score = (Correct × 3) – (Incorrect × 1)
Important Dates for IISER IAT 2026
| Event | Date |
|---|---|
| IAT 2026 Exam | June 7, 2026 |
| Provisional Answer Key | June 7, 2026 |
| Response Sheet + Objection Window | June 9, 2026 |
| Last Date for Objections | June 13, 2026 |
| Document Upload Window | June 13–21, 2026 |
| Final Answer Key (Tentative) | 4th week June 2026 |
Official Links for IISER IAT 2026
- Official Website: iiseradmission.in
- Answer Key: Click here

