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CAT 2018 Photo Size, Dimension, Format and Other Details

Last Updated - June 15, 2019

CAT Guidelines 2018 related to photo size and signature remains same every year. The registration window for this session closed on September 26. Now, candidates with improper/blur photographs in the form can login and re-upload their photograph from September 27 to 30, 2018 (5:00 PM). This is valid only for those candidates who have paid applicable Registration Fee and have registered successfully for CAT 2018 before the specified deadline.

Latest: This year, CAT is scheduled for November 25 in computer-based mode. The admit cards will be available from October 24 at

CAT Exam DatesCAT SyllabusCAT Practice Papers

Often, some candidates end up making mistakes while uploading their photograph in the form-filling step. Do not worry! Here are some quick points regarding CAT 2018 Photo and Signature Size, Dimension, Format and Other Details.

  • IIM mandates candidates to follow the guidelines laid out for the photograph and signature to be uploaded.
  • Applicants must know that the size of the images should not exceed 80 KB.
  • The format should be JPG or JPEG.
  • After uploading the images, candidates can make the payment of the CAT application fee.
  • Images in Admit Card must match with the images uploaded in the application form.
  • CAT Admit Card can be downloaded by entering the required credentials i.e. Application No. and Password.

CAT Photo Specifications

Scanning and uploading of Photo and signature is the most important step in the registration procedure. Ensure that the scanned image of his photograph matches all the specifications declared by the conducting authority. The details are as follows:

CAT Photo Specifications
Dimensions30mm X 45mm
FormatJPG or JPEG
File Size Max. 80kb
Minimum Resolution150px/ inch
Preferred BackgroundWhite
Note: If the size of the file is more than 80Kb, then adjust the settings of the scanner such as the no. of color’s, DPI resolution, etc., during the process of scanning.

Do’s and Don’ts for CAT Photograph

Candidates need to follow a few do’s and don’ts for CAT 2018 photograph. This will result in a smooth completion of the application process of CAT.


  1. The photograph of candidates must be a recent one i.e. should not be more than six months old.
  2. Background of the photograph should be white.
  3. The eyes of the candidate must be open.
  4. Candidates must be facing forward to the camera and their face should be clearly visible.
  5. Eyes, nose, and hair of candidates must be visible in the photograph. Therefore, candidates need to look straight into the camera.
  6. The shoulders of candidates should also be visible.
  7. Photo must be clicked at a studio by a professional photographer. 


  1. Candidates must not upload pictures that have a landscape background.
  2. Photo that is uploaded in rotated will lead to cancellation of the application form.
  3. Also, such photographs will not be accepted where candidates are facing in some other direction.
  4. If the eyes of candidates are closed in the photograph, it will not be accepted by the conducting authority.
  5. Self-taken photographs or selfies should not be uploaded in the application form.
  6. Photo taken from low-quality gadgets are not acceptable.
  7. Facebook pictures are also not acceptable.
  8. Candidates should not edit their photographs. Adding filters or editing the photograph will result in cancellation of the application form.
  9. Candidates must avoid dark backgrounds at all costs.
  10. In the photograph, shadows should not fall on the face of candidates.
  11. If the distinctive features of candidates are unclear in the photograph, it will be rejected by the conducting authority.
Note: Candidates must be very careful while choosing the photograph for uploading CAT Application Form. The photograph must match all the requirements. The staff of the conducting authority must be able to recognize the candidate from his photograph. The purpose of the photograph is to verify the identity of the candidate.

Cases of Photo Rejection 

CAT Photo Sample, CAT Photo Size
CAT Photo Specification, CAT Photo Size Sample

CAT Signature Specifications

Apart from uploading the scanned image of their photograph, candidates also need to upload the scanned image of their signature while filling CAT Application Form. Here too, candidates need to follow the given specifications in order to complete the application process successfully. If candidates keep in mind certain technical details, they will be able to successfully upload the scanned image of their signature.

CAT Signature Specifications
Dimensions80mm X 35mm
FormatJPG or JPEG
File Size Max. 80kb
Resolution150px/ inch
Preferred BackgroundWhite
  • Candidates need to sign with a black pen on white paper.
  • They must ensure that it is their signature and not someone else’s. If the signature on the answer sheet does not match the signature of the candidate in the application form, he will be disqualified to appear in CAT 2018.

How to Upload Photograph and Signature for CAT 2018?

Here are some easy steps to follow for uploading photograph and signature for CAT:

How to Upload Photograph and Signature for CAT 2017?
  1. Visit the official website of CAT 
  2. Login to the website through their registration number and password.
  3. The application form will be visible. Fill all the details that are asked in it.
  4. After entering your personal, academic and work details, you will proceed with uploading your photograph and signature. You will find two separate links for uploading your signature and photograph.
  5. Click on the respective links and browse the location where the scanned images have been saved.
  6. Select the file and click on the upload button.

Instructions for Scanning CAT Photograph & Signature

Candidates should note down certain technical directions mentioned below for scanning their photographs and signature properly.

  • Set the scanner resolution to a minimum of 200 dpi (dots per inch)
  • Set Color to True Color
  • File Size as specified above
  • Crop the image in the scanner to the edge of the photograph/signature, then use the upload editor to crop the image to the final size (as specified above).
  • The image file should be in JPG or JPEG format. An example file name is: image01.jpg or image01.jpeg Image dimensions can be checked by listing the folder files or moving the mouse over the file image icon. Candidates using MS Windows/MS Office can easily obtain photo and signature in .jpeg format not exceeding 50KB & 20KB respectively by using MS Paint or MS Office Picture Manager. Scanned photograph and signature in any format can be saved in .jpg format by using 'Save As' option in the File menu and size can be reduced below 50KB (photograph) & 20KB (signature) by using crop and then resize option [Please see points mentioned above for the pixel size] in the 'Image' menu. Similar options are available in other photo editors also.
  • If the file size and format are not as prescribed, an error message will be displayed. While filling in the Online Application Form the candidate will be provided with a link to upload his photograph and signature.

Other Documents/ Certificates

There are other certificates that must be uploaded in case of the following categories:

NC-OBC/SC/ST Certificate:

  • Download the Certificate from the CAT Website 
  • Enter the required information and self-attest 
  • Scan the same in PDF document to upload at the time of registration.

PwD Certificate:

  • Download the Certificate from the CAT Website 
  • Enter the required information and self-attest
  • Scan as PDF document to upload it in the field mentioned field.

We hope this article was of use to all you aspirants. Adhering to these specifications/ guidelines will ensure a smooth registration process. To avoid cancellation of your application form, do make sure that the photograph and signature are in the given format and size. Once the application form is successfully submitted, you may download CAT Admit Card between October – November 2018. It will be available on CAT Official Website. 



Prakriti Agarwal

Sir I have uploaded the signature in ruled background in the CAT form and have written mail for the same but they said that form one submitted cannot be changed will my form get rejected?

28 Sep, 2018 02:08
Akansha Expert

Hi Prakriti, It is depends upon the Exam authority totally.

28 Sep, 2018 15:17
rohit gupta

Sir, I have submitted my application and payment for the CAT 2017 successfully. I complied with all the rules except one that is I submitted my passport size photo which has a blue background. It has been already two days but I got no message from the CAT conducting authority. So do I need to worry about it?

04 Sep, 2017 17:39
Shruthi Venkitaraman

Hi....I have made the similar mistake..Did they accept your form??What is the solution?

09 Sep, 2018 09:54
Garima Bansal

Hi Shruthi, Please contact to the exam authority regarding to your query.

10 Sep, 2018 11:56

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