TaxSastra

Digital Signature Certificate (DSC) in India

A Digital Signature Certificate is your legally valid electronic signature. Directors and authorised signatories need it to file with the MCA, sign company documents, and — for companies and LLPs — file GST and income tax returns.

Most statutory filings require a Class 3 DSC, typically valid for one to three years. It is a small but essential piece of infrastructure that stalls filings the moment it expires.

Key features and requirements

  • Legally valid electronic signature for online filings
  • Class 3 DSC is required for most MCA, GST and income tax filings
  • Typically valid for 1–3 years, then renewed
  • Issued on a secure USB token
  • Needed by every director/authorised signatory who signs filings

How TaxSastra handles this

We procure and install your Class 3 DSC quickly — and track its expiry so a lapsed certificate never blocks a filing. You can also request this directly from the “Procure Digital Signature” button at the top of the site.

What’s included
  • Class 3 DSC procurement for individuals and organisations
  • Video and document verification support
  • Token delivery and installation help
  • Renewal before expiry
  • DSC for multiple directors/signatories
  • Troubleshooting DSC issues on portals
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Frequently asked questions