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Class 2 vs Class 3 DSC

If you are still searching for a Class 2 certificate, the short answer is that they are no longer issued. Class 3 is what you need.

What happened to Class 2

India used to issue digital signature certificates in classes, with Class 2 used for routine filings and Class 3 for tenders and higher-assurance uses. Class 2 was discontinued and Class 3 became the standard for everything.

The practical effect is simple. If you are looking to buy a Class 2 certificate, you cannot — and you do not need to, because Class 3 covers everything Class 2 did. If a website is still offering you a Class 2 certificate today, that is a reason to be careful about who you are buying from.

If you are holding an old Class 2 certificate, it works until it expires and then you replace it with Class 3. There is nothing to do in the meantime.

The distinction that still matters

What it isWho needs it
Signing certificateProves a document came from you and has not been alteredEveryone. This is the basic certificate
Encryption certificateLocks a financial bid so it cannot be opened before the scheduled timeAnyone bidding on e-procurement portals
CombinedBoth, usually on one tokenContractors and suppliers who bid

This is now the question that actually matters when buying, and it is the one people get wrong. Class is no longer a choice; signing versus signing-plus-encryption is. Buying only the signing certificate and discovering the gap on the day a tender closes is the expensive version of this mistake.

Written 5 September 2026. Government requirements and portal behaviour change — message us to confirm before you rely on any date or figure here.

Individual or organisation

The other real choice. A certificate is issued either in a person's own name or in an organisation's name with a named authorised signatory. Portals check this against how you are registered, and a mismatch means buying again.

Our free picker asks two questions and tells you exactly which combination you need.

Common questions

Not until it expires, unless a portal is refusing it. When it does expire, the replacement will be Class 3.

It is the only option now, so the comparison no longer arises. What affects cost is validity period and whether you need encryption alongside signing.

No. Ask them what they are actually selling. Class 2 has not been issued for some time, and a seller advertising it either has stale information or is not being straight with you.

Yes. One Class 3 certificate in the right name works across portals; you register it separately on each.

Send us your case

Tell us what you need it for and we will tell you whether you need encryption alongside the signing certificate.

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