IES / ISS (Economic & Statistical) Signature Size
Requirements (2026)
Complete official signature specifications for Union Public Service Commission 2026 application. Signatures that don't meet these rules will be rejected by the upload portal.
Official UPSC Signature Specifications
| File Size | 20KB – 200KB |
| Format | JPEG / JPG |
| Ink Color | black |
| Paper | Plain white (no lines, no ruled paper) |
Additional Requirements
- MANDATORY: Image must contain EXACTLY THREE identical signatures signed vertically (one below the other).
- Must be signed on plain, unruled white paper using only BLACK ink.
- Inadequate spacing between signatures or using blue ink will trigger rejection.
Why Signatures Get Rejected on the UPSC Portal
Signature exceeds 200KB
High-resolution phone scans often exceed 200KB. The portal blocks any file above this limit.
Wrong ink color used
UPSC mandates black ink. Blue or pencil signatures are a common rejection reason.
Signed on lined or ruled paper
Notebook lines visible in the scan are treated as tampering. Always use plain, unruled white paper.
Frequently Asked Questions
What is the exact signature file size for IES / ISS (Economic & Statistical) 2026?
The official signature file size for IES / ISS (Economic & Statistical) is 20KB to 200KB in JPEG/JPG format.
What ink color is required for UPSC signatures?
UPSC requires signatures in black ink on plain white paper for the 2026 application process.
Can I use a digital signature for IES / ISS (Economic & Statistical)?
Most government exam portals do not accept digital signatures. You should sign on plain white paper with black ink, scan or photograph it, and then use our compressor to meet the exact size requirements.
Need to Compress Your Signature?
Our free tool automatically compresses your signature scan to meet the exact UPSC 2026 specifications listed above.
Use UPSC Signature Compressor