CAT 2026 Application Correction Window will officially open on October 5, 2026, at 10:00 AM on the official Indian Institutes of Management exam portal at iimcat.ac.in. Registered MBA aspirants can log in to edit their uploaded photograph, signature, and test city preferences until October 7, 2026, at 05:00 PM. This is a one-time opportunity provided by the conducting IIM to fix blurry image errors and adjust exam cities before admit cards are generated. To evaluate your target percentile and B-school options, use our All India College Predictor Hub or check our MBA strategy guides.
Latest status — verified on October 3, 2026: The conducting IIM has confirmed that the CAT 2026 Application Correction Window will be active from October 5, 2026 (10:00 AM) to October 7, 2026 (05:00 PM) on iimcat.ac.in. Candidates can re-upload photos, signatures, and change test cities free of cost. The official CAT 2026 admit card will be released on November 4, 2026.
Every year, thousands of candidates risk application rejection or exam day trouble due to incorrect photo backgrounds or poorly scanned signatures. The CAT 2026 Application Correction Window allows you to verify your uploaded images and make sure your test center choices match your convenience. Here is your complete guide on what you can edit, image specifications, and step-by-step instructions.
CAT 2026 Application Correction Window: Quick Summary and Important Dates
Below is the verified schedule and essential highlights for the CAT 2026 Application Correction Window:
| Correction Parameter | Official Authority Details |
|---|---|
| Exam Conducting Body | Indian Institutes of Management (IIM) |
| Official Examination Portal | iimcat.ac.in |
| Correction Window Opening Date | October 5, 2026 (10:00 AM) |
| Correction Window Closing Date | October 7, 2026 (05:00 PM) |
| Editable Fields | Photograph, Signature, and Test City Preferences |
| Correction Fee | Nil (Free for all registered candidates) |
| Admit Card Release Date | November 4, 2026 |
| CAT 2026 Exam Date | November 29, 2026 (Three Computer-Based Slots) |
What Fields Can You Edit in the CAT 2026 Application Correction Window?
The conducting IIM allows changes only to specific visual and location parameters during this window. Here is the exact breakdown:
Editable Fields:
- Candidate Photograph: If your photo was dark, blurry, taken against a coloured background, or older than six months, you can re-upload a fresh passport-size photo.
- Candidate Signature: If your signature was cropped, unclear, or signed in coloured ink, you can upload a crisp signature on white paper with a black pen.
- Test City Preferences: You can reorder your six preferred test cities or choose new cities from the available list if your travel plans have changed.
Non-Editable Fields (Locked):
- Candidate Full Name
- Date of Birth
- Email ID and Registered Mobile Number
- Category (General, EWS, NC-OBC, SC, ST, PwD)
- Academic Qualifications (10th, 12th, Bachelor’s degree marks)
- Work Experience Details
Note: If you made a major mistake in your name or category, contact the CAT helpdesk immediately, as those fields cannot be modified through the online portal.
Official Photo and Signature Upload Specifications
To ensure your new image is accepted without errors during the CAT 2026 Application Correction Window, follow these exact technical specifications:
| Document Type | File Format | File Size Limit | Specific Guidelines |
|---|---|---|---|
| Passport Photograph | .jpg or .jpeg | Up to 1200 KB (Recommended: 30 KB to 100 KB) | White background, front-facing, neutral expression, no caps or sunglasses, ears clearly visible |
| Candidate Signature | .jpg or .jpeg | Up to 1200 KB (Recommended: 30 KB to 80 KB) | Sign clearly on clean white paper using a black ink pen, cropped tightly to the signature |
Step-by-Step Guide to Make Edits in CAT 2026 Application Correction Window
Follow these simple steps on the official portal to make your changes safely:
- Visit Official Website: Go to iimcat.ac.in.
- Registered Candidate Login: Click on “Login” under the Registered Candidate Login tab.
- Enter Credentials: Enter your User ID and Password.
- Access Correction Tab: Look for the application form correction link on your candidate dashboard.
- Review and Update Details: Replace your photo or signature if needed, and review your preferred test cities in order of priority.
- Preview Your Changes: Double-check the uploaded image previews to make sure the face and signature are razor sharp.
- Submit and Save: Click the “Submit” button. Download the updated application summary for your records.
Why Updating Test City Preferences Matters
CAT is conducted across three exam slots in over 170 test cities nationwide. IIMs allocate examination centers based on your preference order and seat capacity. Making full use of the CAT 2026 Application Correction Window ensures:
- Shorter Travel Distance: Selecting nearby cities prevents long travel fatigue on exam morning.
- Better Slot Management: Setting realistic city choices ensures you are allotted an easily reachable exam center.
- Zero Extra Cost: The conducting authority does not charge any fee for updating test city options during the CAT 2026 Application Correction Window.
Next Steps: CAT 2026 Timeline After Correction Window
Once the CAT 2026 Application Correction Window closes on October 7, 2026, here is the upcoming schedule for all MBA candidates:
- Admit Card Download: November 4, 2026 (Download your hall ticket with assigned slot and venue on iimcat.ac.in).
- Official Mock Test Release: Late October / Early November 2026 on the IIM portal.
- CAT 2026 Exam Date: November 29, 2026 (Sunday).
- Free Strategy and Mentorship: For sectional mock analysis and top B-school cutoffs, Book a Free Admission Counselling Session with our senior MBA advisors.
Frequently Asked Questions (FAQs) About CAT 2026 Application Correction Window
Q1: When does the CAT 2026 Application Correction Window open?
Answer: The correction window opens on October 5, 2026, at 10:00 AM on iimcat.ac.in.
Q2: What is the last date to make corrections in the CAT 2026 form?
Answer: The window closes strictly on October 7, 2026, at 05:00 PM.
Q3: Can I change my category during the CAT 2026 Application Correction Window?
Answer: No. Category, name, date of birth, and email ID cannot be edited online.
Q4: Is there any fee to use the CAT 2026 Application Correction Window?
Answer: No. The correction facility is completely free for all registered candidates.
Q5: Can I change my exam city preferences in this window?
Answer: Yes. You can change and reorder your six preferred test cities during this window.
Q6: What background should my photograph have for CAT 2026?
Answer: Your passport photo must have a clear white background and must be less than six months old.
Q7: When will the CAT 2026 admit card be released?
Answer: The official CAT 2026 admit card will be released on November 4, 2026, on iimcat.ac.in.
Sources Checked and Editorial Verification
- IIM CAT Official Examination Portal
- CAT 2026 Official Information Bulletin and Media Release
- Indian Institute of Management Calcutta Official Website
Update Policy: This page will be revised immediately if IIM releases any extension or additional guidelines for the correction window. Last verified on October 3, 2026.