A Digital Signature Certificate (DSC) is valid for 1, 2, or 3 years. After this period, the DSC must be renewed to keep using it for government filings, e-tendering, GST, Income Tax, MCA, DGFT, and other online services. Renewing your DSC ensures you have continuous access, secure authentication, and valid digital signing. When Should You Renew Your DSC? It's best to renew your DS... https://www.makemydigitalsignature.com/renewal-digital-signature-certificate.php