A Digital Signature Certificate (DSC) is an electronic key that secures online document signing. For GST-related services such as registration, return filing, or responding to notices, a Class 3 DSC is mandatory for companies, LLPs, and other business entities. This certificate ensures that all submissions on the GST portal are legally valid, tamper-proof, and authentic. Why is DSC I... https://dsc7.com/digital-signature-for-gst.php