Get a Class 3 DSC — the gold standard accepted by MCA, Income Tax, GST, DGFT, and e-Tendering portals. Aadhaar OTP + Video KYC means zero paperwork and issuance in under 30 minutes.
100% Paperless
Aadhaar OTP + live Video KYC replaces physical document submission entirely.
Issued in 15–30 Min
Fastest DSC issuance in India — no courier wait, no branch visit required.
All Portals Ready
Valid on MCA, Income Tax, GST, DGFT, GeM, CPPP, ICEGATE — one DSC, every portal.
Legally Binding
Class 3 DSC carries the same legal weight as a handwritten signature under IT Act, 2000.
Starter
1 Year Validity
Standard
2 Years Validity
Pro
3 Years Validity
A Digital Signature Certificate is an encrypted digital identity credential issued to an individual or an organisation by a licensed Certifying Authority (CA), operating under the supervision of the Controller of Certifying Authorities (CCA). It doesn't just prove who you are online — it's a legally recognised way of putting your signature on an electronic record, carrying the same standing as a handwritten signature under the Information Technology Act, 2000.
A DSC is built on Public Key Infrastructure (PKI) — a cryptographic system that pairs two mathematically linked keys with your verified identity: a private key, which stays with you and is used to sign documents, and a public key, embedded in the certificate itself, which anyone can use to verify that signature.
Once the CA binds this key pair to your identity, two things become verifiable at once whenever you sign a document: first, that the signature genuinely belongs to you, and second, that the document hasn't been altered in any way since you signed it. If even a single character changes after signing, the signature no longer validates — which is what makes a DSC meaningfully more tamper-evident than a scanned signature or a typed name.
India previously had a tiered system of DSC classes with different assurance levels. That structure has since been simplified — here's where things stand today.
| DSC Class | Current Status | Assurance / Verification | Typical Use |
|---|---|---|---|
| Class 3 | Currently issued for individuals and organisations | Highest assurance level — requires video-based (or in-person) identity verification against Aadhaar/PAN | MCA filings, GST, income tax e-filing, e-tendering, trademark filings, e-procurement |
| Class 2 | Discontinued for new issuance from 1 January 2021, per CCA directive | Previously verified against a pre-existing, trusted database without live video verification | Was formerly used for routine filings before being merged into Class 3 |
In practice, this means every DSC issued today — whether for an individual, a director, or an organisation — is a Class 3 certificate. There is no lower-assurance option available anymore for fresh applications. On validity, a DSC is typically issued for a fixed term of 1, 2, or 3 years; once that period lapses, the certificate simply stops working, and a fresh DSC — with a fresh KYC — is needed to continue signing electronically.
The legal weight of a DSC doesn't come from convention — it's written directly into statute. Section 3 of the IT Act sets out how a digital signature is used to authenticate an electronic record, while Section 5 is what actually gives it legal teeth — it states that where a law requires a document to be signed, that requirement is satisfied if the document is authenticated using a digital signature, putting it on equal legal footing with a handwritten signature.
Section 35governs the other side of this — the actual issuance process. It sets out how a person applies to a Certifying Authority for a DSC, what the CA must verify before issuing one, and the conditions under which an application can be accepted or refused. Together, these three provisions are what let a government portal, a bank, or a counterparty treat a digitally signed document as if you'd signed it in ink in front of them.
These three terms get used almost interchangeably in everyday conversation, but they aren't the same thing. A “digital signature” is the underlying cryptographic mechanism (the PKI process described above); a DSC is that mechanism formally bound to your verified identity by a licensed CA; and an “e-signature” or click-to-sign tool is a separate, much lower-assurance category that doesn't involve a CA at all.
| Parameter | DSC (Digital Signature Certificate) | E-Signature / Click-to-Sign |
|---|---|---|
| Issued By | A licensed Certifying Authority operating under CCA supervision | A private software platform, with no CA or government oversight involved |
| Underlying Technology | Public Key Infrastructure (PKI) — a cryptographic key pair bound to a verified identity | Typically a typed name, uploaded image, or click-based acknowledgment, sometimes paired with a basic audit trail |
| Identity Verification | Video-based or in-person KYC checked against Aadhaar/PAN records | Usually just an email link or OTP confirmation, without formal identity proofing |
| Accepted for Government/Regulatory Filings | Yes — MCA, GST, Income Tax, e-tendering, and other statutory portals | Generally no — not accepted for MCA, GST, or income tax filings |
| Typical Use | Regulatory and statutory filings that require strong, verifiable identity assurance | Informal document signing — contracts, HR letters, internal approvals |
Individuals
Any individual can apply for a DSC in their personal capacity — for e-verifying documents, e-KYC on financial and government portals, or signing filings as a freelance professional. This is the most common category and doesn't require any business or organisational affiliation.
Organisations
Companies, LLPs, partnership firms, and proprietorships apply for a DSC through their directors or authorised signatories, who hold the certificate on the entity's behalf. The certificate itself is still issued to a named individual, but with the organisation's details attached, reflecting that person's authority to sign on the entity's behalf.
Foreign Nationals & Entities
Foreign nationals and foreign entities can also obtain a DSC in India, though the documentation requirement is stricter — typically an apostilled or notarised copy of the passport and other identity documents, since Aadhaar-based e-KYC isn't available to non-residents.
A DSC shows up across a wide range of government and regulatory portals — here's where it's used most often.
| Category | Typical Filings / Activity |
|---|---|
| MCA / ROC Filings | Signing SPICe+, AOC-4, MGT-7/7A, DIR-3 KYC, and other Registrar of Companies e-forms — mandatory for directors and authorised signatories |
| Income Tax & GST | E-verifying ITR filings (mandatory for companies and firms subject to statutory audit), and signing GST registration and return filings |
| E-Tendering & E-Procurement | Submitting bids on government procurement portals such as GeM (Government e-Marketplace) and CPPP (Central Public Procurement Portal) |
| Trademark & IP Filings | Signing trademark and patent applications filed with the Controller General of Patents, Designs and Trade Marks |
| Import-Export | IEC (Import Export Code)-related filings with the DGFT |
| EPFO & Labour Filings | Employer-side filings on the EPFO portal and other labour compliance platforms |
Most of the use cases above are optional in the sense that a DSC makes them possible, but a few categories don't have a choice in the matter — a DSC is a hard requirement, not a convenience:
Common Questions
A Class 3 DSC is the highest level of digital signature issued by a licensed Certifying Authority (CA). It requires in-person or video-based identity verification and is the only DSC accepted for MCA company filings, Income Tax e-filing, GST registration, e-tendering (GeM, CPPP), and DGFT portals.
Yes. Since 2021, the Controller of Certifying Authorities (CCA) mandates in-person or Video KYC for all Class 3 DSC issuances. A 2–3 minute live video call with a Registration Authority (RA) officer, combined with Aadhaar OTP, fully satisfies the KYC requirement.
DSCs are issued with a validity of 1, 2, or 3 years. Once expired, a DSC cannot be strictly "renewed" — a fresh DSC must be issued with a new KYC process.
Class 3 DSCs issued by CCA-licensed CAs are accepted across all major government portals: MCA21, Income Tax, GSTN, DGFT, GeM / CPPP, EPFO, and Customs (ICEGATE).
A Soft/Cloud DSC is delivered digitally and works for most MCA, GST, and IT filings. A USB Cryptographic Token is required for certain e-tendering portals and DGFT filings.