eSign service allows applications to replace manual paper based signatures by integrating an API which allows an Aadhaar holder to electronically sign a form/document anytime, anywhere, and on any device legally in India.  

eSign service facilitates significant reduction in paper handling costs, improves efficiency, and offers convenience to customers

The eSign service is governed by e-authentication guidelines. While authentication of the signer is carried out using Aadhaar e-KYC services, the signature on the document is carried out on a backend server of the e-Sign provider. eSign services are facilitated by trusted third party service providers – currently Certifying Authorities (CA) licensed under the IT Act. To enhance security and prevent misuse, Aadhaar holders private keys are created on Hardware Security Module (HSM) and destroyed immediately after one time use. Read More..