A Digital Signature Certificate is issued for a fixed validity — usually 1, 2 or 3 years. Once it expires, you can no longer use it to sign filings, so renewing before expiry avoids last-minute disruption to GST, MCA or income tax deadlines.
This guide explains when and how to renew a DSC, and whether you can reuse your existing crypto token.
What is DSC renewal?
DSC renewal is the process of obtaining a fresh certificate with a new validity period. Technically the old certificate cannot be extended — a new one is issued, and it can usually be downloaded onto your existing token.
Renewal requires fresh KYC/video verification, just like a new issuance, because the Certifying Authority must re-confirm your identity.
| When to renew | Before the current DSC expires |
|---|---|
| Reuse token? | Yes — download the new DSC on the same token |
| KYC needed? | Yes — fresh verification required |
Renew early to avoid missing deadlines
Step-by-step process
- Note the expiry date. Check your certificate's validity and start renewal a few days before it expires.
- Apply for a new DSC. Place a renewal/fresh order for the same class and validity.
- Complete KYC. Finish Aadhaar/PAN KYC and video verification again.
- Download to the token. Download the renewed certificate onto your existing crypto token.
- Re-register on portals. Update/register the renewed DSC on MCA, GST, income tax or DGFT as needed.
Frequently asked questions
Can I renew an expired DSC?
You cannot extend an expired certificate; you obtain a fresh one. The process is the same as a new issuance and can use your existing token.
Do I need to re-register the DSC on portals after renewal?
Yes. After downloading the renewed certificate, re-register it on each portal where you file.