The IISER IAT 2026 response sheet has been released on iiseradmission.in (June 9, 2026). Candidates can now download their personalised IAT 2026 response sheet to verify marked answers, estimate scores using the official marking scheme, and raise objections against the provisional answer key during the objection window (June 9 - 13, 2026). Read on for step‑by‑step download instructions, how to file objections, and key dates including the final answer key and result timelines.
IISER IAT 2026 Response Sheet - Overview
| Detail | Information |
|---|---|
| Exam Name | IISER Aptitude Test (IAT) 2026 |
| Response Sheet Status | Released - AVAILABLE TODAY |
| Release Date | June 9, 2026 |
| Official Website | iiseradmission.in |
| Exam Date | June 7, 2026 |
| Objection Window | June 9-13, 2026 |
| Objection Fee | ₹100 per question (non-refundable) |
| Final Answer Key | Fourth Week of June 2026 |
| IAT 2026 Result | First Week of July 2026 |
What Is the IISER IAT 2026 Response Sheet?
The IAT 2026 response sheet is an official document containing all answers marked by candidates during the IISER Aptitude Test. It serves as your digital record of exam responses.
Key Uses of the Response Sheet:
- Verify your answers - Check all responses marked during the exam
- Compare with answer key - Tally responses against the provisional answer key
- Calculate probable score - Estimate your score using the marking scheme
- Raise objections - Challenge incorrect answer key options
- Estimate qualification chances - Predict your IISER counselling eligibility
How to Download IISER IAT 2026 Response Sheet (Step-by-Step)
Follow these simple steps to access your IAT 2026 student response sheet:
- Visit the official website: Go to iiseradmission.in
- Click on "Candidate Login" - Access the login section
- Enter your credentials:
- Application Number / User ID
- Password
- Log in to your dashboard - Your candidate portal opens
- Locate the "IAT 2026 Response Sheet" link - Found on the dashboard
- Click to view - Your response sheet displays on screen
- Download & save PDF - Click download for future reference
Direct Response Sheet Link: IAT 2026 Response Sheet
Details Available in IISER IAT 2026 Response Sheet
Your student response sheet contains comprehensive exam information:
| Information Included | Description |
|---|---|
| Candidate Name | Full name as registered |
| Application Number | Unique registration ID |
| Roll Number | Exam roll number |
| Exam Date | June 7, 2026 |
| Exam Shift | Shift timing (Morning/Afternoon) |
| Question ID | Unique question identification number |
| Subject-wise Questions | Physics, Chemistry, Mathematics/Biology questions |
| Option Selected | Your chosen answer option (A/B/C/D) |
| Question Number | Sequential question number |
| Paper Set | Your specific question paper set |
IISER IAT 2026 Marking Scheme: Calculate Your Probable Score
Use the official marking scheme to estimate your IAT 2026 score:
| Response Type | Marks |
|---|---|
| Correct Answer | +4 Marks |
| Incorrect Answer | -1 Mark |
| Unattempted Question | 0 Marks |
Steps to Calculate Score:
- Download response sheet + provisional answer key
- Match your responses with official answers
- Count total correct answers
- Multiply correct responses by 4
- Count total incorrect answers
- Multiply incorrect responses by 1
- Subtract negative marks from total marks
IISER IAT 2026 Answer Key Objection Process: How to Challenge
IISER IAT 2026 Answer Key Objection Process: How to Challenge
- Go to iiseradmission.in - Official admission portal
- Click "Answer Key Objection Link" - Access objection portal
- Enter login credentials:
- User ID
- Password
- Open IAT response sheet - View your answers
- Select questions to challenge - Choose incorrect options
- Upload supporting evidence - Submit proof in prescribed format
- Pay objection fee - ₹100 per question (non-refundable)
- Submit before deadline - Complete by 11:59 PM, June 13, 2026
Important: Objection fee is not refundable verify before challenging
IISER IAT 2026 Important Dates Timeline
| Event | Date |
|---|---|
| IAT 2026 Exam | June 7, 2026 |
| Provisional Answer Key | June 7, 2026 |
| Response Sheet Release | June 9, 2026 |
| Objection Window Opens | June 9, 2026 |
| Objection Deadline | June 13, 2026 (11:59 PM) |
| Final Answer Key | Fourth Week of June 2026 |
| IAT 2026 Result | First Week of July 2026 |
IISER IAT 2026 Marks vs Percentile Reference
Estimate your percentile based on your score:
| Score (Out of 240) | Percentile |
|---|---|
| 210+ Marks | 99.9 |
| 195 Marks | 99.8 |
| 185 Marks | 99.7 |
| 170 Marks | 99.4 |
| 155 Marks | 98.9 |
| 140 Marks | 98.3 |
| 125 Marks | 97.5 |
| 110 Marks | 96 |
| Below 100 Marks | 95 |
