https://www.livemint.com/money/personal-finance/cash-is-no-longer-the-king-how-upi-unified-payments-interface-is-replacing-cash-in-semi-urban-and-rural-india-11697425227999.html
UPI has triggered a financial revolution across India, and this change is even more evident and significant in tier 2 and 3 regions where cash was essentially the only plausible medium of transaction
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