MDR is, in effect, a bet that ordinary users can keep enjoying a free, reliable rail because someone further up the chain now pays to keep it running.

Transactions above ₹2,000 make up only about 4% of person-to-merchant UPI volume, but close to two-thirds of its value. That’s the number worth sitting with as UPI enters a new phase from October 15, 2026. Peer-to-peer transfers stay untouched, and consumers will not be charged—the government has been explicit that merchants absorb this cost and cannot pass it on. A flat ₹5 fee applies to regulated categories such as fuel, railways, insurance, and telecom. For such payments above ₹2,000, a 0.4% Merchant Discount Rate (MDR), capped at ₹300, will otherwise apply. So while the neighbourhood kirana’s daily QR scans stay free, the EMIs and big-ticket purchases that actually move money through the system now carry a cost.
The part worth dwelling on, though, is what doesn’t change. UPI was built, from day one in 2016, as a consumer-first product, interoperable across banks and apps, free of minimum-balance requirements, and free to use for the ordinary Indian. That’s why it now covers 84% of India’s retail digital payments, half the world’s real-time payment volumes, and 99% of India’s pin codes. The Economic Survey 2025-26 found that UPI usage patterns look broadly similar across gender and across rural and urban India, a rare kind of equality in financial access. None of those changes on October 15. P2P transfers, everyday spending under ₹2,000, and small merchants stay free, and the government has drawn a firm line that consumers cannot be charged, directly or through a surcharge. MDR is, in effect, a bet that ordinary users can keep enjoying a free, reliable rail because someone further up the chain now pays to keep it running.
There is a reasonable case for the fee itself. UPI has run for a decade on subsidy, not revenue. Banks and payment apps have long argued that a system with no monetisation cannot keep funding security, uptime and innovation indefinitely. Merchants have treated UPI acceptance as costless, but that was always a policy choice, much as card interchange has long been a routine cost of doing business. A steady revenue base changes what's possible too, from buy-now-pay-later at checkout to merchant-backed rewards and credit that lives inside the UPI flow itself.
The risk sits with merchants, not consumers. If MDR reads as a new cost, some will quietly try to claw it back through cash discounts or a nudge back to cash for larger purchases. For the change to stick without eroding the trust that built UPI, the ecosystem needs to show merchants something concrete in return. That could mean working-capital credit against transaction flow, real-time settlement dashboards, faster dispute resolution, and not just a debit note each month.
UPI became the world's largest real-time payments system, with over 55 crore users on-boarded and close to ₹314 lakh crore processed in FY26, precisely because it never asked the consumer to pay for its success. MDR is designed to preserve that, funding the infrastructure from the commerce end, not the consumer end. Much of whether it succeeds now rests on the fine print. Which merchant categories qualify, and what counts as small, is still being worked out. NPCI has said a small-
merchant support fund will be finalised with the RBI within three months. That review, more than the headline 0.4%, will decide whether MDR strengthens the model that built UPI, or quietly erodes it.
(The author is CEO, BankBazaar. Views are personal.)