BharatQR, UPI, BHIM, NUUP: How these digital payment apps, services work

The growth of digital payment services is fueled by introduction of apps and services by the NPCI

As India leaps toward a digital economy, the adoption of digital payment platforms is on the rise as well. Before the demonetisation drive, which started on November 8, 2016, there were a handful of digital wallet services -- PayTm, FreeCharge and MobiKwik. But, none of them offered comprehensive digital payment structure and had their own limitations.
 
As the government shifts focus toward cashless society, it also pushed a bouquet of digital payment options in the form of apps and services like BharatQR code, Unified Payments Interface (UPI), BHIM app, and National Unified USSD Platform. These services were introduced alongside