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Digital Signature Certificates

Class 3 Digital Signature Certificates β€” issued fast, supported for life

Get a Class 3 DSC for Income Tax, GST, MCA/ROC, EPFO, e-tendering and document signing β€” with paperless verification, secure USB token delivery, and a team that helps you install and use it.

Where You Need It

One certificate, every government portal

  • Income Tax β€” e-filing of returns and audit reports requiring digital signature.
  • GST β€” registration and return filing for companies and LLPs.
  • MCA / ROC β€” company incorporation, annual filings and director KYC.
  • e-Tendering & e-Auctions β€” government and PSU tender portals (Class 3 with encryption).
  • EPFO & other portals β€” employer filings, trademark, DGFT and more.
  • Document signing β€” legally valid signing of PDFs, contracts and certificates.
Why From Saibex

A DSC partner, not just a reseller

  • Quick, paperless issuance β€” Aadhaar/video-based verification; usually same-day delivery.
  • Individual & organisation DSCs β€” signing-only or signing + encryption, 1–3 year validity.
  • Secure USB token included β€” FIPS-certified tokens with installation help.
  • Real support β€” driver issues, portal errors, renewals β€” call us, a human answers.
  • Perfect pairing β€” use your DSC with Bulk PDF Signer to sign documents in volume.
How It Works

From application to signing in a day

  1. Share your details

    PAN, address proof, photo and contact details β€” organisation DSCs need company documents too.

  2. Verify online

    Complete quick mobile/email and video verification β€” no physical paperwork or office visits.

  3. Receive your token

    Your Class 3 DSC arrives on a secure USB token; we help you install it and start signing.

FAQ

Class 3 DSC β€” common questions

What is a Class 3 DSC used for?

It's the highest-assurance digital signature in India β€” used for Income Tax, GST, MCA/ROC filings, EPFO, e-tendering and e-auctions, and legally valid document signing under the IT Act, 2000.

What documents do I need?

Typically PAN, Aadhaar or address proof, a photo, and mobile/email for verification. Organisation DSCs additionally need company documents.

How fast is issuance?

With verification complete, usually the same day or within one working day, delivered on a secure USB token.

What validity options exist?

One, two or three years β€” renewable before expiry. We'll remind you before your DSC lapses.

Can I use it to sign many PDFs at once?

Yes β€” that's exactly what our Bulk PDF Signer is for. Many clients take both together.

Need a DSC by tomorrow?

Call us now with your PAN handy β€” most Class 3 certificates are verified and issued the same working day.

Apply for Your DSC