Aadhaar enabled Payment System is a secured payment method provided by the National Payments Corporation of India (NPCI) that allows aadhaar linked bank account holders to avail basic banking services such as balance inquiry & cash withdrawal. Customers simply need to tell RECHARGE DEMODigital Stores Retailer their 12-digit aadhaar number and aadhaar linked Bank name. Fingerprint authorization is done using a biometric device to avail of the service.