Community Certificate Signature Not Verified – Free Fix for Tamil Nadu PDFs (2026)

You downloaded your community certificate from TN eSevai or DigiLocker, opened it in Adobe Acrobat or your phone, and saw a yellow question mark or the message "Signature validity is unknown." The document looks real — but the signature warning is making employers, college admissions offices, and government counters reject it.

This is not a fake certificate problem. It is a trust chain problem — and it has a free, permanent fix. Use Kagazo's Community Certificate Signature Verifier to get a clean green-tick PDF in under 3 seconds.

Why Tamil Nadu Community Certificate Shows "Signature Not Verified"

Tamil Nadu government PDFs — including community certificates, nativity certificates, and income certificates — are digitally signed by the Tamil Nadu e-Governance Agency (TNeGA) using certificates issued under India's Controller of Certifying Authorities (CCA) trust chain.

The problem: Adobe Acrobat, Chrome PDF viewer, and most phone PDF apps do not include India's Root Certifying Authority (RCAI) in their default trusted certificate store. So your PDF viewer sees the signature but cannot verify who signed it — and shows a yellow "?" instead of a green tick.

This is why:

• Your certificate is 100% genuine and legally valid under the IT Act 2000
• But your PDF viewer shows a warning because it doesn't recognise the Indian CCA root
• Government counters, banks, and college admissions officers may reject it thinking it is tampered

What the Signature Warning Looks Like

You may see any of these messages on your community certificate PDF:

• ⚠️ "Signature validity is unknown"
• ⚠️ "At least one signature has problems"
• ⚠️ Yellow question mark (?) next to the signature panel
• ⚠️ "The signer's identity is unknown because it has not been included in your list of trusted identities"

All of these mean the same thing: your PDF viewer cannot verify the TNeGA certificate chain. The certificate itself is not tampered.

How to Fix Community Certificate Signature – Step by Step

1. Go to kagazo.in/verify-community-certificate-tamil-nadu
2. Upload your community certificate PDF — drag and drop or click to select. Password-protected PDFs are supported.
3. Wait 2–3 seconds — Kagazo's engine verifies your PDF against the official CCA India and TNeGA root certificate trust chain.
4. Download the verified PDF — your certificate now carries a permanent green checkmark (LTV-enabled) visible in Adobe Acrobat and any PDF viewer, anywhere.

No account needed. No software to install. Your file never leaves your browser — it is processed 100% in RAM.

What is LTV-Enabled PDF and Why You Need It

Kagazo adds Long-Term Validation (LTV) data to your verified PDF. This means:

• The green tick remains valid even after the original signing certificate expires
• It is accepted by banks, TNPSC, college admissions, and government portals
• It is legally valid for submission under Section 5 of the Information Technology Act 2000

Without LTV, some systems may show the green tick only temporarily. With LTV, your certificate is permanently verifiable — even 10 years from now.

Which Community Certificates Does Kagazo Fix?

Kagazo supports all digitally signed community certificates issued via:

• TN eSevai (Tamil Nadu e-Services)
• DigiLocker (issued by Tamil Nadu government departments)
• VAO / Tahsildar office issued digitally via TNeGA portal
• Revenue Department issued PDFs

If your certificate was issued digitally by any Tamil Nadu government portal and signed under the CCA India hierarchy (TNeGA, eMudhra, NIC, Capricorn), Kagazo will verify and fix it.

Common Mistakes That Get Your Certificate Rejected

• Submitting the original unverified PDF — many counters now specifically check for the green tick
• Printing without verifying — a printed certificate doesn't carry the digital signature; always submit the PDF digitally where possible
• Using a third-party WhatsApp-forwarded PDF — only use certificates downloaded directly from TN eSevai or DigiLocker
• Waiting until the submission deadline — fix the signature before the last day; portals can have downtime
• Opening in browser preview instead of Adobe Acrobat — browser previews don't show signature panels; always open in Acrobat to check

Frequently Asked Questions

Is my community certificate fake if it shows a yellow question mark? No. A yellow question mark only means your PDF viewer cannot verify the Indian government signature chain. The certificate is genuine. Kagazo verifies it against the official CCA India root and gives you a clean green-tick PDF.

Does Kagazo store my community certificate? No. Your PDF is processed 100% in your browser's RAM. It is never uploaded to any server, never stored, and never seen by anyone. Kagazo is fully compliant with India's DPDP Act and the IT Act 2000.

Will the fixed PDF be accepted by TNPSC, college admissions, and banks? Yes. The LTV-enabled green-tick PDF from Kagazo is legally valid for all government, educational, and financial submissions in India.

My certificate is password protected. Will it work? Yes. Kagazo supports password-protected TN eSevai PDFs. You will be prompted to enter the password during upload — it is processed locally and never sent to any server.

Can I fix other Tamil Nadu certificates the same way? Yes. Kagazo also fixes nativity certificates, income certificates, first graduate certificates, widow certificates, and other TN government PDFs with signature warnings.

Related Tools You May Need

• Verify Tamil Nadu Nativity Certificate — same fix for nativity certificate signature warnings
• [Verify Income Certificate Digital Signature](https://kagazo.in/verify-income-certificate) — fix income certificate PDF signature issues
• TNPSC OTR Compliance Kit — prepare all documents for TNPSC Group 1, 2, 4, VAO OTR portal
• TN eSevai Certificate Prep Tool — format and prepare TN eSevai certificates for submission
• Compress PDF to 200KB — reduce your verified certificate size for portal uploads