What is a Digital Signature Certificate (DSC)? Class 3 Explained (2025 Guide)

A secure USB token labeled 'Class 3 DSC' is plugged into a laptop, illustrating the use of a Digital Signature Certificate for signing official documents online in India.

In today’s digital-first economy, how do you sign a legally binding document, file a government return, or submit a high-value tender without a pen and paper? The answer lies in a powerful and secure technology: the Digital Signature Certificate (DSC). For many Taxtotech Readers, a DSC is an essential tool for business and compliance, yet it’s often […]