Section 11A(2) of the Prevention of Money Laundering Act, 2002 ensures that Aadhaar authentication-

Section 11A(2) says an entity using Aadhaar authentication "shall make the other modes of identification" (offline verification, passport and notified documents) "also available" to the client. Section 11A(3) adds that the choice is voluntary and no one may be denied services for lacking an Aadhaar number.