Class 1 certificates were designed primarily to validate basic subscriber details such as the user’s name and email address. They were mainly associated with securing email communication and are subject to the current requirements of the issuing authority.
Class 2 certificates were previously used for certain company filings, Income Tax submissions, GST-related work, and other online compliance activities. Class 2 certificates have largely been replaced by Class 3 certificates for many current applications.
Class 3 is the most secure and widely accepted category for many business and government-facing activities. It may be required for e-tendering, e-procurement, trademark filings, MCA filings, GST registration, Income Tax Return filing, and other services that require a higher level of identity verification.
A Digital Signature Certificate is an electronic credential used to verify the identity of a signer and support the authenticity and integrity of electronic documents and transactions.
A DSC may be required to sign and submit documents on government portals, compliance platforms, tendering systems, corporate filing portals, tax portals, and other online services that require secure digital authentication.
Individuals, professionals, business owners, company directors, authorized signatories, organizations, and other eligible applicants may apply for a DSC based on the requirements of the intended service or portal.
A DSC is commonly issued for a validity period of one to three years. It must generally be renewed after expiry if the applicant wishes to continue using the digital-signature services.
Digital signatures are recognized under India’s Information Technology Act, 2000, subject to the applicable legal requirements, certificate type, issuing authority, and intended use.
A DSC may be used for tax filings, GST and MCA compliance, e-tendering, e-procurement, trademark filings, government applications, contracts, and other approved online transactions.
Not necessarily. Each portal may have its own certificate type, software, browser, token, user-verification, and technical requirements. Applicants should confirm the requirements of the specific portal before applying.
Once the certificate expires, it generally cannot be used for new signing activities. The applicant must renew or apply for a fresh certificate according to the issuing authority’s process.
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