While major UPI apps dominate metro areas, smaller cities and rural regions often struggle with interfaces not in their primary language or that don't account for local financial habits.
Build a UPI app with hyperlocal language support, regional payment customs (like festival-specific transactions), and integration with local gold/insurance providers rather than national chains.
Local merchants and users would pay for premium features like advanced gold purchase options or bundled insurance packages.
Start with a simple MVP supporting one regional language and basic UPI payments, then layer on gold/insurance integrations.
The biggest risk is regulatory compliance as UPI becomes more tightly controlled by the RBI.