DSC is a lawful necessity for submitting various forms to the Government of India. DSC uses public-key encryption for the creation of a signature. A digital signature certificate will be placed in electronic documents, emails, and other digitally transmitted documents. These signatures provide and enhance security using encryption technology.

The Information Technology Act, of 2000 has provisions for the use of Digital Signatures on documents submitted in electronic form in order to ensure the security and authenticity of the documents filed electronically.