Digital signature certificates are issued by Certifying Authorities (CA) after verifying the applicant's identity and address. These signatures find applications in GST registration, MCA website services for company registration, income tax return filing, tender submissions, and EPFO filings. A digital signature certificate with online DSC registration serves as an e-signature, allowing subscribers to sign documents digitally. It ensures the recognition and verification of a person or entity in electronic format, utilizing cryptographic protocols. This electronic format enables individuals to access information and use various online services securely. Commonly employed in secure portals, it ensures the safe uploading and encoding of company documents. The certificate remains valid for up to two years.