CAT WhatsApp Group
CAT 2025 notification has been released, and registration has also started from 1 August 2025. Aspirants are filling out the registration forms to get the desired exam center. For many students, this might be the first time attempting CAT, and nervous about documents and facing problems while uploading. Then this blog is for you. The following discussion gives you the complete details on what documents and ID proofs you need for the CAT application. Follow the instructions and prepare the documents before you start the registration process.
Download CAT 2025 Notification PDF
Documents Required for CAT 2025 Registration?
Applicants must keep a list of personal and academic documents ready before filling out the form. The table below highlights the core documents required:
| Document Type | Accepted Options | Format | Size Limit | Purpose |
| Photo ID | Aadhaar, PAN, Passport, Voter ID, Driving License | JPEG/PDF | 200 KB | Identity and address proof |
| Academic Certificates | 10th, 12th, Graduation, Post-Graduation (if any) | 200 KB | Educational qualification proof | |
| Category Certificate (if applicable) | SC, ST, OBC-NCL, EWS, PwD | 200 KB | Reservation eligibility | |
| Photograph | Recent passport-size, white/light background | JPEG | ≤1 MB | Registration & Admit Card |
| Signature | Black ink on white paper | JPEG | ≤80 KB | Verification during exam |
Keep both soft copies (for uploading) and original hard copies (for verification).
Also Read, CAT 2025 Registration, Last Date, Form Filling Process, Fees
CAT 2025 Photo and Signature Upload Guidelines
Photo and signature uploads are often the most common reason for form rejection. Following specifications is very important.
Photograph Guidelines
- Dimensions: 1200 x 1200 pixels
- Format: JPEG only
- File Size: Under 1 MB
- Background: White/light colored
- Must be recent and clear
Signature Guidelines
- Dimensions: 80mm x 35mm
- Format: JPEG only
- File Size: Under 80 KB
- Ink: Black on white paper
- Ensure smooth and legible strokes
A mismatch in photo/signature during exam-day verification may cause problems. Make sure they match what you upload.
Also Read, CAT Exam Date 2025, Exam Schedule, Notification Release Date
OBC, SC, ST, EWS Certificate Requirements for CAT 2025
IIM Reservation benefits can only be availed if candidates submit valid certificates issued by competent authorities.
| Category | Validity/Requirement | Key Notes |
| SC/ST Certificate | No expiry requirement | Must be issued by government authority |
| NC-OBC Certificate | Should mention “Non-Creamy Layer” | Usually valid for one year |
| EWS Certificate | Valid for current financial year | Mandatory for economic reservation |
| PwD Certificate | Issued by Medical Board | Required for scribe or facility claims |
Certificates must be in PDF format, under 200 KB, and self-attested before uploading.
ID Proofs Accepted for CAT 2025 Exam
On exam day, along with the admit card, aspirants must carry one original government-issued ID.
| Accepted ID Proofs |
| Aadhaar Card |
| PAN Card |
| Passport |
| Driving License |
| Voter ID |
The ID proof should exactly match the name and details on your admit card.
Documents Required for Final Year Students in CAT 2025
Final-year students are also eligible for CAT 2025 but need to provide additional documents.
| Document | Details |
| Semester Mark Sheets | All available mark sheets till the latest semester |
| Provisional Degree (if applicable) | For students awaiting final results |
This ensures that applicants can prove their candidature even if final results are pending.
CAT 2025 Document Upload Instructions and Format
The uploading stage requires careful attention to size and format.
General Upload Instructions
- File Format: PDF (for certificates), JPEG (for photo/signature)
- File Size: Maximum 200 KB for most documents
- Text Clarity: Ensure every word is clearly visible
- Naming: Save files with clear names like “CAT_12th_Certificate.pdf”
Additional Documents Required for CAT Exam Day
Beyond registration, candidates must carry a few extra documents on the test day:
| Document | Purpose |
| CAT Admit Card | Primary entry document |
| Two Passport Size Photos | Must match uploaded photo |
| Medical Certificate (PwD) | Verification for facilities |
| Authorization Form (if applicable) | Required in special cases |
Applicants should also be ready for biometric verification, which involves fingerprint and photo matching.
Documents That you need to carry to the CAT exam center
Only the admit card, ID proof, and permitted documents are allowed inside the exam hall. So, make sure you have them in hand.
Common Issues During CAT 2025 Registration
Sometimes you might face problems even though you have all the correct documents. Let’s check how to overcome those:
- File Too Large: Compress the PDF/JPEG online before uploading.
- Wrong Format: Convert using tools like Adobe or free online converters.
- Blurry Scans: Re-scan documents with proper lighting and DPI settings.
- Name Mismatch: Submit an affidavit, marriage certificate, or gazette notification for correction.
You must cross-check before final submission to save. So that you can avoid any last-minute changes and adjustments.
Final Tips for CAT 2025 Applicants
- Start collecting documents at least two weeks before registration, in case of marksheets, kind of.
- Keep both digital and physical copies safely stored in a single folder so that you don't need to check each one.
- Follow the official CAT 2025 certificate upload guide carefully.
- On exam day, travel light with only essentials and follow the instructions given in your admit card carefully.
Documents Required for CAT 2025 Registration?: Conclusion
As per the above details, you understand the document list and its size limits, right? Prepare them ahead; if any caste certificate or EWS certificate is needed, apply quickly. The registration ends by 20 September 2025, so apply early and make sure no mistakes are there. Keep yourself updated with the latest CAT 2025 exam details. Stay calm and stay ahead.
