India's government issues hundreds of millions of digitally signed PDF documents every year — from Aadhaar letters to income tax returns, from driving licences to company incorporation certificates. Every single one of them carries a cryptographic digital signature that PDF readers like Adobe Acrobat fail to verify automatically. VerifySign.in is built to solve exactly this problem — for every Indian government document, in one place, for free.
VerifySign.in supports the full spectrum of Indian government-issued digitally signed PDFs. Here is a comprehensive overview:
| Document | Issuing Authority | Signing CA |
|---|---|---|
| Aadhaar Letter / e-Aadhaar | UIDAI | UIDAI CA |
| PAN Card (e-PAN) | NSDL / UTI (on behalf of Income Tax Dept.) | NIC |
| ITR Acknowledgement (ITR-V) | Income Tax Department | NIC |
| GST Registration Certificate | GSTN | NIC |
| Driving Licence (DL) | MoRTH / Parivahan | NIC |
| Vehicle Registration Certificate (RC) | MoRTH / Parivahan | NIC |
| Company Incorporation Certificate (COI) | MCA / ROC | MCA21 CA |
| Passport Appointment / PCC | MEA / Passport Seva | NIC |
| EPFO / PF Passbook | EPFO | NIC |
| DigiLocker Documents | Various (via DigiLocker) | NIC / DigiLocker CA |
| CBSE / University Marksheets | CBSE / DigiLocker | NIC |
Most digital signature verification tools — including Adobe Acrobat — rely on globally standardised trust lists (AATL, EUTL) that do not include Indian government CAs. Tools that try to support Indian documents typically handle only one or two document types. VerifySign.in is different: it has curated and integrated the complete certificate chains for all major Indian government Certifying Authorities — NIC, UIDAI CA, MCA21 CA, and DigiLocker CA — into a single, unified verification engine.
You don't need to tell VerifySign.in what type of document you're uploading. Its auto-detection engine reads the digital signature embedded in the PDF, identifies the issuing CA from the certificate chain, selects the correct trusted root from its database, and performs the cryptographic verification — all automatically. Whether you upload a GST certificate or an ITR acknowledgement, VerifySign.in handles it correctly.
Standard government PDFs in India do not include LTV (Long-Term Validation) data by default. LTV embeds the certificate revocation information and the complete certificate chain inside the PDF itself, so the signature remains verifiable even after the original signing certificate expires. VerifySign.in offers a verified copy with LTV embedded for ₹49 — a one-time payment for a document that will show as "valid" in any PDF reader, forever.
VerifySign.in takes your privacy seriously. All uploaded documents are processed in memory and automatically deleted after 2 hours. No document data is stored permanently, no third party sees your files, and the entire verification process happens on secure servers with TLS encryption in transit. The service is mobile-friendly and works on any device — Android, iOS, Windows, or Mac.
VerifySign.in is the only tool you need for verifying any Indian government digitally signed PDF — one upload, instant results, complete peace of mind.
Instant digital signature verification for any government PDF — free, secure, no software needed.
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