For example: If your Aadhaar number is 123456789123 and last 4-digits of your card are 4321, SMS "AADHAAR 123456789123 4321" to 9880752484 from your registered mobile number.
Send to 9880752484 from your registered mobile number.
By submitting your Aadhaar number to Citi, you hereby authorize Citi to authenticate your Aadhaar number and demographic details against the UIDAI database via Experian Services India Pvt Ltd before updating your account.
Citibank will use the Aadhaar number to offer banking and transaction services to you, as may be applicable.
Citibank may use your demographic and biometric/OTP (One Time Password) (or any similar authentication mechanism) information for the purpose of Aadhaar based authentication/ e-KYC.