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Applying for a new PAN card (Form 49A) or requesting corrections on your existing PAN card requires uploading your recent photograph, signature, and supporting identity documents. To ensure quick approval without rejection, the official portal requires strict compliance with specific dimensions, file formats, and resolution standards.
Important Official Notice: NSDL is now Protean
NSDL e-Governance Infrastructure Limited has officially rebranded as Protean eGov Technologies Limited (protean-tinpan.com). While the portal has a refreshed interface and new name, all official technical specifications—including 200 DPI resolution, 3.5 × 2.5 cm photo size, and the 50 KB file limit—remain strictly active in 2026.
Quick Summary: Protean (NSDL) Specifications Table (2026)
Here is a quick reference table showing the exact requirements for every document you need to upload to the Protean (NSDL) PAN application portal:
| Document Type | Dimensions (cm) | Pixels (at 200 DPI) | Resolution (DPI) | File Size Limit | Format |
|---|---|---|---|---|---|
| Applicant Photo | 3.5 × 2.5 cm | 276 × 197 px | 200 DPI | 20 KB – 50 KB | JPEG / JPG |
| Applicant Signature | 2.0 × 4.5 cm | 158 × 354 px | 200 DPI | 10 KB – 50 KB | JPEG / JPG (Black Ink) |
| Supporting Doc (Aadhaar) | Standard A4 Sheet | 2480 × 3508 px | 300 DPI | Under 300 KB | PDF (Unprotected) |
1. Protean (NSDL) PAN Card Photo Requirements in Detail
Your photograph is printed directly on your permanent physical PAN card. The Income Tax Department of India requires clear biometric standards to ensure proper identification.
Key Specifications for Photograph:
- Physical Dimensions: Exactly 3.5 cm in height by 2.5 cm in width.
- Pixel Resolution: At 200 DPI, this converts to 276 pixels tall by 197 pixels wide (or approximately 132 × 94 pixels at 96 DPI screen resolution).
- DPI Resolution: Must be set to 200 DPI. Standard phone photos usually have 72 or 96 DPI, which triggers portal errors if not adjusted.
- Maximum File Size: Strictly under 50 KB. The file must also be larger than 20 KB so that the image is not overly compressed or pixelated.
- File Format: JPEG / JPG format only. Portals will not accept PNG, WebP, or PDF files for the photograph slot.
- Color Mode: Full color (24-bit RGB). Black and white or sepia photos are rejected.
Visual Quality Rules for Photo:
- Background: Plain white or light off-white background with no patterns or shadows.
- Face Framing: Head and shoulders must be centered. Your face should cover 70% to 80% of the total image area.
- Expression: Neutral expression with mouth closed and eyes open, looking directly into the camera lens.
- Lighting: Balanced lighting without flash reflections, red-eye, or heavy shadows across the face.
- Eyeglasses & Headwear: Normal clear spectacles are allowed if there is no glare. Dark sunglasses or tinted lenses are strictly forbidden. Religious head coverings (such as turbans or hijabs) are permitted as long as the entire face from chin to forehead is clearly visible.
2. Protean (NSDL) Signature Requirements in Detail
The signature uploaded during the application process will appear below your photo on the PAN card. An illegible or improperly scanned signature is one of the most common reasons for rejection.
Key Specifications for Signature:
- Physical Dimensions: Exactly 2.0 cm in height by 4.5 cm in width.
- Pixel Resolution: At 200 DPI, this is 158 pixels tall by 354 pixels wide (or approximately 76 × 170 pixels at 96 DPI).
- Resolution: Exactly 200 DPI.
- File Size: Between 10 KB and 50 KB.
- File Format: JPEG / JPG format only.
Crucial Rule: Always Use Black Ink Pen
Sign with a black ballpoint or black gel pen on clean, unruled white paper. Do not use blue ink, pencil, red pen, or lined notebook paper. Automated scanners on government portals may fail to detect blue ink properly, leading to application delays.
Special Rule for Minor Applicants (Under 18 Years)
If you are applying for a PAN card for a minor child, remember this important distinction:
- The child's photograph must be uploaded.
- The child must NOT sign the signature box.
- Instead, the father, mother, or legal guardian (acting as the Representative Assessee) must sign in the signature box.
3. Supporting Document & Aadhaar PDF Guidelines
Along with photo and signature, you must upload proof of identity, proof of address, and proof of date of birth. For most Indian citizens, an Aadhaar card satisfies all three requirements.
Document Guidelines:
- Format: PDF file only (images or Word docs are not accepted).
- Maximum File Size: Strictly under 300 KB.
- Layout: Both the Front side and the Back side (address portion) must be combined onto a single A4 page.
- Password Protection: UIDAI e-Aadhaar downloads come password-protected by default. You must remove the password before uploading to Protean, because government portals cannot open password-locked files.
How to Resize Photo & Signature in 5 Seconds
You do not need practical or complicated software like Adobe Photoshop or CorelDraw. You can prepare all your files for free using our 3-in-1 browser tool at pancardresizer.org:
- Select Portal: Choose Protean (NSDL) preset from the options.
- Choose Mode: Select Photo Resize, Signature Crop, or Merge Aadhaar PDF.
- Upload Image: Select your photo taken from your phone camera or scanner.
- Adjust Crop: Use our smart crop guide to frame your face or signature perfectly.
- Download: Click Download. Our client-side engine automatically embeds the required 200 DPI metadata, sets exact dimensions, and compresses the file under 50 KB in 0 seconds.
Privacy Guarantee: All processing happens locally inside your browser using HTML5 Canvas. Zero documents or photos are uploaded to any server.
Common Protean (NSDL) Upload Errors and Fixes
If the portal gives you an error during document upload, check these proven solutions:
1. Error: “Invalid Photo Dimensions / Resolution (200 DPI Required)”
Cause: Your photo may have the correct appearance on screen, but its internal EXIF metadata says 72 DPI or 96 DPI, or the width-to-height ratio is incorrect.
Fix: Run your image through pancardresizer.org. Our tool writes the exact 200 DPI binary header directly into the JPEG file header so the portal passes it immediately.
2. Error: “File Size Exceeds 50 KB”
Cause: Modern smartphone cameras produce images between 3 MB and 8 MB. Even simple image croppers often leave file sizes around 150 KB to 300 KB.
Fix: Our tool uses intelligent JPEG quantization to bring file sizes down to an optimal 30 KB to 45 KB without causing blurriness or compression artifacts.
3. Error: “Signature Not Clear or Too Light”
Cause: Taking a photo of your signature under dim room lighting creates gray, muddy paper backgrounds and low contrast.
Fix: Sign with a bold black pen on bright white paper. Take the photo in good natural daylight, or use our tool's automatic contrast balancing to make the background pure white and ink sharp black.
4. Error: “Unable to Open PDF / Document is Password Protected”
Cause: Uploading an original downloaded e-Aadhaar PDF that requires your name and birth year password.
Fix: Use our Merge Aadhaar Card Tool to merge both sides onto one A4 sheet. The output PDF is completely password-free and compressed under 300 KB.
Pre-Submission Checklist
Before you hit the final submit button on the Protean portal, take 30 seconds to verify these 6 points:
- Photograph: Color photo, 3.5 × 2.5 cm (200 DPI), clean white background.
- Photo File Size: Strictly between 20 KB and 50 KB in JPEG/JPG format.
- Signature: Black ink pen on unruled white paper.
- Signature File Size: Strictly between 10 KB and 50 KB in JPEG/JPG format.
- Aadhaar PDF: Under 300 KB with both front and back sides on a single page.
- No Password Lock: Ensure the PDF has zero password protection before uploading.
Following these simple guidelines guarantees that your PAN card application will move smoothly through automatic verification without delays or rejection notices.