We get documents in PDF format from the government or other agencies. Some documents come with digital signatures placed on the pages. If they are already validated, we see a Signature Valid message ...

Guide for validating digital signature in e-Aadhaar using Adobe Reader. Protects from tampering, ensures trustworthiness. Check 'Validity Unknown' icon, look for 'nCode Solutions CA 2014' in ...

The Unique Identification Authority of India (UIDAI) gives permission to every individual who is a citizen of India to keep a digital copy of the Aadhaar card which is as legitimate as the hard one.