
CAT document upload guidelines must be followed by every aspiring applicant for registration. The last date for registering for the examination on September, 2025. The officials say the candidate’s photo and signature should be uploaded in JPEG. The photo and signature must not exceed the size of 1 MB and 80 KB, respectively. The other necessary details are mentioned below:
As a candidate, you must also follow certain instructions to prevent your application from rejection. Some of these instructions include:
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CAT registrations are currently open. You can visit the official website for applying to the examination. Here, listed below, are the important events and their dates for 2025:
| Event | Dates |
|---|---|
| Registration start | August 1, 2025 |
| Registration deadline | September, 2025 (5 PM) |
| Form correction date | September 2025 |
| Exam date | November 24, 2025 |
The official authorities have released details about the documents' dimensions, format, and size. You can check out the details in the below-given table below:
| Documents | Dimension | Format | Size |
|---|---|---|---|
| Photograph | 35 mm X 45 mm; 1200 × 1200 pixels | JPG or JPEG | <= 1 MB |
| Signature | 80 mm X 35 mm | JPG or JPEG | <= 80 KB |
| NC-OBC/SC/ST Certificate | Self-attested Scanned Copy | <=200 KB | |
| PwD/DA Certificate | Self-attested Scanned Copy | <=200 KB |
One of the most important parts of registration is uploading the right picture. Your picture should be more than 50 kb in size and less than 1 MB in size. The details about photo specifications are mentioned below:
| CAT 2025 Photo Specifications | |
|---|---|
| Dimensions | 1200 × 1200 pixels; 35 mm X 45 mm |
| Format | JPG or JPEG |
| File Size | 1 MB |
| Background | White |
Here, listed below, are some important instructions for uploading a photograph for CAT registration:

Along with the photograph, a candidate should also upload their signature. The signature must be in black pen on white paper. The details about the signature are given below:
| CAT Signature Specifications | |
|---|---|
| Dimensions | 80 mm X 35 mm |
| Format | JPG or JPEG |
| File Size | 80 kb |
| Resolution | 150px/ inch |
| Background | White |

Ques. What can we do to match the dimensions of the photo?
Ans. You can use any photo editor or image compression tool to match the dimensions of the photo. Make sure that your picture should not exceed the size of 1 MB.
Ques. I have uploaded a 2-year-old picture. Will that make an issue?
Ans. It is recommended to upload a recent picture. However, if your facial characteristics match with the 2-year-old picture, it will not create an issue.
Ques. Do we need to upload the photograph in formals?
Ans. It is not a mandatory requirement to upload your picture formals. However, if you do so, it will leave a good impression.
Ques. I have uploaded my picture on a white background, but I have a crooked shoulder. Will that affect my application?
Ans. No, it will not impact your application.
Ques. Can I upload my picture wearing spectacles?
Ans. Yes, it is allowed. However, make sure that your eyes are properly visible in the picture. Sunglasses should be strictly avoided while clicking the picture.
In case you belong to SC/ST/OBC background, you need to provide a caste certificate at the time of registration. You can download the certificate from the CAT website and enter the required information. Then you must scan the certificate in PDF format to upload at the time of registration. Given below are the certificate specifications for candidates:
| CAT Certificate Specifications | |
|---|---|
| Dimensions | Not mentioned |
| Format | |
| File Size | 200 kb |
| Important documents | NC-OBC/SC/ST Certificate, PwD/DA Certificate |
Given below are the steps to upload your photograph and signature for the CAT 2025 examination:
It is suggested that you keep in mind some technical requirements for uploading your photograph and signature in the portal. Given below are some guidelines:
*The article might have information for the previous academic years, please refer the official website of the exam.
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