IIM Indore has started the CAT 2026 registration process. Candidates must upload a scanned photograph and signature to complete the online form. Check the required photo size, dimensions, format, and upload instructions below.
CAT 2026 Image Upload Specifications: For CAT 2026 registration at iimcat.ac.in, candidates must upload a scanned passport-size photograph and signature. The photo and signature must be in .jpg or .jpeg format and must not exceed 80 KB in file size. The photograph requires a solid white background, while the signature must be clear and legible. Documents uploaded outside these limits will be rejected by the portal.
- CAT Photo & Signature Specifications 2026
- Important Photo and Signature Rules
- How to Resize Your Photo and Signature to Under 80 KB
- Steps to Upload Photo and Signature in CAT Application Form
- Common Reasons for CAT Image Upload Errors
CAT Photo & Signature Specifications 2026
The table below lists the required format, file size, dimensions, and resolution for both files to be uploaded as part of CAT 2026 registration.
| Requirement |
Photograph Specifications |
Signature Specifications |
|---|---|---|
| File Format |
.jpg or .jpeg only |
.jpg or .jpeg only |
| Maximum File Size |
Maximum 80 KB |
Maximum 80 KB |
| Image Dimensions |
1200 x 1200 pixels (or 35mm x 45mm) |
80mm x 35mm |
| Minimum Resolution |
150 pixels per inch (DPI) |
150 pixels per inch (DPI) |
| Background |
Plain white background |
Clean white background (black or blue ink) |
| Age of Photo |
Not older than 6 months |
Recent signature |
NOTE: IIM Indore also provides CAT correction window 2026 to rectify errors made while uploading photograph in the exam form.
Important Photo and Signature Rules
-
Face Coverage: Your face must cover at least 70% to 80% of the photograph. Look straight into the camera with a neutral expression. Both ears must be clearly visible.
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Eyewear and Headgear: Caps, hats, masks, and dark or tinted glasses are not allowed. Normal prescription glasses are allowed only if there is no glare or reflection on the lenses.
-
Signature Guidelines: Sign on a blank sheet of white paper using a black or blue pen. Do not use digital signatures, signatures in all capital letters, or initials only.
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File Format: The portal only accepts .jpg and .jpeg files. It will reject PNG, PDF, GIF, and BMP formats.
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Keep Printed Copies: Keep 4 to 6 printed copies of the same photo. You will need to paste the exact same photograph on your CAT admit card on exam day.
How to Resize Your Photo and Signature to Under 80 KB
If your file is larger than 80 KB, use these simple steps on your computer or phone to reduce its size:
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Open the image in Microsoft Paint, Apple Photos, or a free online image compressor.
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Select the ‘Resize’ option and reduce the pixel width and height (e.g., set to 1200 x 1200 pixels for the photo).
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Save the file as a .jpg or .jpeg. Check the file properties to ensure the file size is below 80 KB.
Steps to Upload Photo and Signature in CAT Application Form
Candidates must upload their documents in the Personal Details section of the CAT form. Follow these steps:
-
Log in to the CAT 2026 login portal using your registered User ID and Password.
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Click the ‘GO TO APPLICATION’ button in the top right corner.
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Click the ‘Personal Details’ tab.
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Scroll down to the ‘Documents Upload’ area.
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Click the upload button for the passport-size photo and select your .jpg or .jpeg file (under 80 KB).
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Click the upload button for the signature and select your signature file (under 80 KB).
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Check the on-screen preview to ensure both files are clear, right-side up, and not blurred.
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Click ‘SAVE & NEXT’ to continue filling the application form.
Common Reasons for CAT Image Upload Errors
The CAT 2026 portal will show an error if your uploaded file does not meet the guidelines. The most common reasons include:
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Wrong File Format: Uploading files saved as PNG, PDF, BMP, or WebP instead of .jpg or .jpeg.
-
File Size Too Large: Uploading images larger than 80 KB.
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Incorrect Dimensions: Uploading files that do not follow the required measurements (1200 x 1200 px for photos, 80mm x 35mm for signatures).
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Low Quality or Blurry Images: Scanning files below 150 DPI resolution.
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Incorrect Background: Uploading photos with colored, patterned, or outdoor backgrounds instead of plain white.
Always use the ‘PREVIEW’ option before making your payment. If your photo or signature looks stretched, rotated, or blurry, upload them again before final submission.
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Commonly asked questions
CAT 2026 exam will be held on November 29, 2026 in three slots. Candidates will find their CAT 2026 slot time in the admit card.
Yes, CAT 2026 exam will be conducted in three shifts. Exam timing of each slot will be:
- First shift: 8:00 AM to 10:00 AM
- Second shift: 12:00 PM to 2:00 PM and
- Third shift: 4:00 PM to 6:00 PM
The total number of questions in the Data Interpretation and Logical Reasoning section of CAT exam is 22 (as per CAT 2024 question paper). Earlier, the number of DILR questions was 20.
There is equal number of question distribution between Data Interpretation and Logical Reasoning, which means both sections have 11 questions each. The total marks for DILR is 66. The questions on Data Interpretation as based on Tables, Graphs, Pie Charts, Venn Diagram, whereas Logical Reasoning questions are based on Blood Relation, Seating Arrangement, Caselets and Syllogism. This section of the CAT is usually moderate in terms of difficulty level and about 12-14 correct attempts are good enough to score high marks. Some of the other important topics include Series, Proposition, Direction Sense, Coding-Decoding, Assumptions, Clocks and Calendars, Statements, Binary Logic, Data Structures, Data Sufficiency and Data Arrangement. To score high in this section, candidates must practice a good number of practice tests and sectional mock tests. The better you learn to interpret given data and apply reasoning to a given situation, the better you get at solving related questions.
Commonly asked questions
CAT exam is held in about 170 cities across India. Candidates can choose up to six cities as their preferred test location. The list of test cities for CAT is available in application form. Candidates should choose the test city carefully as the request to change the test city later may or may not be accepted due to non-availability of seats at the centres in that particular city. Given below are the cities where CAT exam is usually held.
The Quantitative Aptitude section of CAT is the third and the last section of the question paper. It has 22 questions and the total marks is 66. This section of the CAT exam is usually dominated by Arithmetic and Algebra. Most of the questions out of 22 are asked from these two topics. There are about 7-9 Algebra questions and 7-9 Arithmetic questions (the exact number varied for all three slots). Apart from these two topics, there are questions from Mensuration Modern Math and Number System in the Quantitative Aptitude section CAT. Some of the important sub topics in this section include: Arithmetic topics: Ratio and Proportion, Simple and Compound Interest, Profit and Loss Mixtures and Allegations Averages, Percentages, Mean Median Mode, Time and Work, Time Speed and Distance Algebra topics: Basics Algebraic Formulae, Number of integer solutions, Quadratic Equations, Finding out roots, Maxima and Minimal, Higher Degree Equations, Linear Equations, Problems on ages, Descartes Rule of Signs, Inequalities, Logarithm, Functions, Modifications of Graphs, The smallest Value in a Maximum Function Number System topics: Finding Out Last Two Digits, Number of Trailing Zeroes, Finding out Remainders based on, Basic Divisibility Rules, Binomial Theorem, Simplifying the Dividend (Single and/or Multiple Divisors), Basics of Numbers, Properties of Numbers, Divisibility Rules, Divisibility and Factors, the highest Common Factor and the lowest Common Multiple, Finding Out the Last Digit, Fermat's Theorem, Euler's Theorem, Pattern Recognition and Cyclicity of Remainders, Wilson's Theorem, Base Systems, Conversion of Bases, Addition/Subtraction/ Multiplication in different bases Geometry Topics: Lines and Angles, Triangles Basic Concepts, Area, Angles, Similar Triangles Polygons, Circles, Solids / Mensuration 3D Geometry, Coordinate Geometry, Trigonometry Modern Math topics: Sequence and Series Binomial Theorem, Set Theory, Permutation and Combination, Probability.
CAT 2026 will be conducted by IIM Indore. The institute had last conducted the exam in 2020.
Six of the older IIMs, including Ahemdabad, Bangalore, Calcutta, Lucknow, Khozikode, and Indore, conducts CAT exam on a rotational basis.

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Student Forum
Answered 6 days ago
As of September 2026, IIM Indore has not announced the CAT form correction dates. Past trends indicate that the application form correction window opens a few weeks after the registration window is closed.
Check: CAT Correction Window 2026
B
Contributor-Level 7
Answered 6 days ago
Yes, candidates are facilitated with a window to edit exam form once the CAT registration concludes. However, candidates will only be able to edit photo, signature, and test city preference using CAT correction window. IIM Indore will announce the dates for CAT form correction window once the regist
J
Contributor-Level 7
Answered 6 days ago
IIM Indore has not announced the last date extension for CAT 2026 yet. However, past trends indicate CAT registration extends by a few days. If CAT 2026 registration is extended, candidates will find an update on the official website.
S
Contributor-Level 7
Answered a week ago
Yes, both Oral Extempore Presentation and PI round are mandatory for candidates who apply forAlliance School of Business MBA admission with CAT results.
S
Contributor-Level 10
Answered a week ago
Yes, in recognition of outstanding performance in CAT, MSB awards special scholarships as follows:
- INR 1,50,000 for students securing a minimum 90 percentile
- INR 1,00,000 for students securing a minimum 85 percentile
- INR 75,000 for students securing a minimum 75 percentile
G
Contributor-Level 10
Answered a week ago
Students pursuing PGDM from Jaipuria Institute of Management Jaipur and having 65% CAT score can get scholarship of INR 1.50 lakh. Students must have documents proving their eligibility to avail the scholarship benefit.
N
Guide-Level 15
Answered 2 weeks ago
Yes, you can strongly aim for interview calls from IIM Ahmedabad, Bangalore, and Calcutta if you have a stellar high school profile and a high CAT score. Top IIMs calculate interview shortlists using strict mathematical formulas. These formulas evaluate your CAT score, Class 10 marks, Class 12 marks
A
Contributor-Level 10
Answered 2 weeks ago
Yes, you can and should attempt previous year papers and mock tests as part of your preparation for CAT 2026. You can attempt it on official CAT website.
A
Contributor-Level 10
Answered 2 weeks ago
Students interested in MBA at any of the Symbiosis Institutes need to take the Symbiosis National Aptitude (SNAP) Computer Based Test which will be conducted at designated test centres.
However, the institute does offer special pathways to Indian students allowing them to register for classes even i
A
Contributor-Level 10
Answered 2 weeks ago
Yes. Candidates can apply for Executive MBA course at IIM Kashipur Dehradun campus, without CAT or GMAT score, because the institute also accepts candidates score in EMAT exam, which is conducted directly by IIM Kashipur.
A
Contributor-Level 9

Abhishek Dhawan is a content writer and editor with 7+ years of experience in education journalism. He holds a BA degree from the University of Delhi. At Shiksha, Abhishek primarily covers MBA and BBA entrance
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