UPSC Civil Services Mains DAF Document Upload Specifications

Verified 2026 administrative guidelines for UPSC CSE Mains DAF. Review exact dimensional ratios, byte boundaries, background lighting, and prevent rejection on online application gateways.

By Study Budy Editorial Team Reviewed by UPSC CSE Mains DAF Verification Specialist ⏱️ 5 min read
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Official 2026 Notification Standards for UPSC CSE Mains DAF

Candidates appearing for UPSC CSE Mains DAF must adhere strictly to the photo and signature standards specified in the official notification brochure.

Gateways automate initial scrutiny using image parsing scripts. Even a minor fraction of a kilobyte over the prescribed limit or non-standard aspect ratio results in automated registration errors.

💡 Important Tips:
  • Always verify file dimensions in pixel units before uploading to UPSC CSE Mains DAF portals.
  • Ensure your photograph was clicked within the mandatory recency window specified by the board.

Step-by-Step Document Calibration for UPSC CSE Mains DAF

Step 1: Open StudyBudyAI's dedicated tool for UPSC CSE Mains DAF.

Step 2: Upload your clear portrait or signature scan.

Step 3: The pre-configured preset automatically enforces the official aspect ratio and pixel resolution.

Step 4: Download your gateway-ready file, verified to sit safely within the official KB boundary.

Official UPSC CSE Mains DAF Specification Parameters

Asset TypeAccepted ResolutionFile Size RangeAccepted Formats
Passport PhotoExact Commission SpecStrict Gateway BoundaryJPG / JPEG
Signature ScanStandard Aspect BoxStrict Ink BoundaryBlack Ballpoint / JPG
CertificatesA4 Portrait100 KB – 300 KBSingle PDF

Frequently Asked Questions

What is the most common reason for form rejection in UPSC CSE Mains DAF?

The leading causes of rejection in UPSC CSE Mains DAF are blurry webcam/phone photos, capital-letter signatures, and photos with dark, patterned, or domestic room backgrounds.

Can I use StudyBudyAI on my smartphone for this exam?

Yes. StudyBudyAI runs 100% in mobile browser memory, allowing you to crop, calibrate, and download your files in under 2 seconds without installing external apps.