A Digital Signature Certificate (DSC) is a secure digital key that helps verify your identity for online activities like e-filing Income Tax, GST, MCA (ROC) filings, e-tendering, e-procurement, DGFT, trademark, and patent applications. Each DSC is valid for 1 or 2 years. You need to renew it before it expires to maintain access to these services. Why Renew Your DSC? • To keep filing... https://www.digitalsignaturemart.com/renewal-digital-signature-certificates.php