Common Admission Test

Common Admission Test (IIMs)

4 documents to upload

CAT 2025 registration guide· verified 5 Oct 2026

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Passport Size Photograph

Required

Format: JPG
Dimensions: about 1200 × 1200 px
File size: ≤ 80 KB
DPI: ≥ 150 DPI
Background: White

Official instructions (2)

The photo must be no more than 6 months old, with a white background.
You'll stick a print of this same photo on your admit card on test day, so keep copies.

Drop an image or tap to chooseJPG, PNG, WebP, BMP or GIF · up to 25 MBStays on your device

Candidate Signature

Required

Format: JPG
Dimensions: about 80 × 35 mm
File size: ≤ 80 KB
DPI: ≥ 150 DPI
Background: White

Official instructions (1)

Upload a clear scan of your handwritten signature.

Drop an image or tap to chooseJPG, PNG, WebP, BMP or GIF · up to 25 MBStays on your device

Only if it applies to you (2)Category, disability, scribe and other conditional documents

EWS/NC-OBC/SC/ST Certificate

If applicable · If applicable

Format: PDF

Official instructions (1)

Valid EWS certificate issued by competent authority. (Digialm CDN)

General preset (not an official spec)

Drop a PDF or photos of the pagesPDF, JPG or PNG · several photos become one PDFStays on your device

PwD Disability Certificate

If applicable · If applicable

Format: PDF

Official instructions (1)

Disability certificate issued by notified medical authority. (Digialm CDN)

General preset (not an official spec)

Drop a PDF or photos of the pagesPDF, JPG or PNG · several photos become one PDFStays on your device

Size guides for CAT

CAT upload FAQ

Which documents do I need to upload for CAT?

Required: Passport Size Photograph, Candidate Signature. Only if they apply to you: EWS/NC-OBC/SC/ST Certificate, PwD Disability Certificate.

What is the CAT passport size photograph size?

JPG · about 1200 × 1200 px · ≤ 80 KB · ≥ 150 DPI · white background. Source: CAT 2025 registration guide, checked on 5 Oct 2026.

What is the CAT candidate signature size?

JPG · about 80 × 35 mm · ≤ 80 KB · ≥ 150 DPI · white background. Source: CAT 2025 registration guide, checked on 5 Oct 2026.

How do I upload certificates for CAT?

As PDF files. Drop a PDF, or photos of each page, onto the certificate's card: they become one A4 PDF inside the allowed size, and you can download it straight away.