Aadhaar e-Sign is a secure and efficient way to digitally sign documents, leveraging the Aadhaar system for authentication. Introduced by the Government of India, this service enables individuals to sign documents online without needing a physical signature. The Aadhaar e-Sign is linked to a person’s unique Aadhaar number and is authenticated through an OTP (One-Time Password) sent to the registered mobile number. Aadhar e sign ensures the authenticity of the signer, providing a legally recognized signature for a wide range of applications such as banking, government services, and financial transactions.