Fintech Weekly Deep Dive — UPI’s MDR Reset: Who Pays for a ‘Free’ Rail? | Week of 27 September

Executive Summary

India’s planned return of a merchant discount rate (MDR) on selected Unified Payments Interface (UPI) payments is now less a debate about whether a payment network costs money than a test of who gets to set the price, who carries it, and whether the promised protections can be enforced. The framework, announced on 15 September and due to take effect on 15 October, leaves person-to-person transfers free and places a 0.4% MDR on specified person-to-merchant transactions above ₹2,000. Payments of ₹75,000 or more have a ₹300 cap; qualifying small merchants remain exempt. The Finance Ministry says about 96% of merchant transactions will be unaffected.¹²

The week of 27 September–3 October made the rollout politically and institutionally real. The Supreme Court declined to pause the start date while questioning the legal character of the charge; mobile retailers threatened a “No UPI Day,” then called it off after meeting the Finance Minister; and the Department of Consumer Affairs began preparing the National Consumer Helpline for complaints. None of those steps changed the published tariff. They did expose the gap between a government assurance that users will not be charged and the harder economic question of whether merchants absorb the cost, trim discounts, steer customers to another rail, or reprice goods for everyone.³⁴⁵

The central claim for the fee is ecosystem sustainability. NPCI chief executive Dilip Asbe has put annual UPI-system costs at roughly ₹20,000–21,000 crore and projected first-year MDR receipts of ₹13,000–15,000 crore. Those are estimates from the system operator, not audited public accounts; even at face value they imply partial rather than full cost recovery. The policy’s credibility therefore depends on publishing the cost base, fee split, use of proceeds and consumer outcomes—not simply repeating that the fee is merchant-side.⁶

The Story in Depth

Context

MDR is a payment-processing charge deducted from a merchant’s settlement. It is not a new idea in Indian payments: card acceptance has long carried fees, with different costs for debit and credit cards. UPI, however, was deliberately made zero-MDR for merchants from January 2020. The state helped support that arrangement through incentive schemes, including a ₹1,500-crore Cabinet-approved programme for low-value BHIM-UPI merchant transactions in FY2024–25.⁷ The result was a powerful consumer proposition: scan, pay, and do not negotiate over the payment method at the counter.

That proposition concealed a real financing question. A payment can be free at the point of use without being costless to build or operate. Banks, NPCI, payment aggregators and app providers fund technology, connectivity, settlement, fraud controls, compliance and customer support. The Reserve Bank’s 2022 discussion paper explicitly treated payment costs and charges as a policy choice involving the roles of system operators, banks, merchants, customers and government—not as a matter that can be solved by declaring one side’s bill to be zero.⁸ RBI’s Payments Vision 2025 likewise said that charges may be necessary for viability but require care, since affordability is itself a public-policy objective.⁹

Parliament’s Finance Committee reached the same broad conclusion in its 2026–27 examination of the Department of Financial Services: the incentive support then provided covered only a small share of industry costs, and a viable revenue mechanism was needed. That is a serious warning about the old funding model, but it is not a blank cheque for any rate or allocation. The committee discussed the need for a sustainable model; the details of the September tariff—its 0.4% rate, threshold, cap and exemptions—still need their own evidence and accountability.¹⁰

The legal route changed in August 2026. An amendment to the Payment and Settlement Systems Act, 2007 gave the Union government power to specify electronic modes for which banks or system providers cannot impose charges. The 14 September Gazette notification, S.O. 5067(E), named RuPay debit-card payments and UPI transactions up to ₹2,000 as protected modes. The new MDR framework then set out selected merchant-side fees above that threshold. In other words, a familiar “UPI is free” promise has become a more carefully bounded rule: P2P stays free; low-value P2M is protected; some small merchants are protected; certain other merchant transactions can carry a fee.¹¹¹²

What Happened This Week

The UPI fee itself was announced before this review week. What changed between 27 September and 3 October was the character of the dispute.

First came a court challenge. On 28 September, the Supreme Court refused interim relief that would have stopped the 15 October start, issued notice to the Union government, RBI and NPCI, and asked the respondents to explain the legal nature and basis of the MDR. The bench’s reported question—if the charge is neither tax nor fee, what is the executive’s authority to impose it?—goes to classification and legal power, not to whether UPI should be free as a matter of policy. The case remains pending; a refusal to stay is not a final endorsement of the tariff.³

Second, the merchant response became visible. AIMRA had announced a symbolic “No UPI Day” for 2 October, arguing that a percentage fee on high-ticket mobile-phone sales could bite into thin dealer margins. After a delegation met Finance Minister Nirmala Sitharaman on 30 September, AIMRA and another trade group called off the protest. Retailers said they wanted their concerns considered; the meeting did not announce a published change to the rate, threshold or effective date. A protest being withdrawn is not the same thing as a policy being revised.⁴¹³

Third, the government began preparing for the consumer-facing edge cases. The Department of Consumer Affairs was training National Consumer Helpline staff and drafting guidance on permitted and prohibited charges, according to officials quoted by Mint. That is useful preparation, but capacity is not yet enforcement: consumers will need an intelligible way to distinguish a prohibited UPI surcharge from an ordinary price change, and the helpline will need to report complaint numbers and outcomes after launch.⁵

Finally, the week’s discussion sharpened the difference between the share of transactions affected and the share of money moving through the network. NPCI’s own FAQ records 2,451 crore UPI transactions worth about ₹29.9 lakh crore in August 2026. The government says roughly 96% of P2M transactions will avoid MDR. That is a transaction-count claim, not a claim that 96% of transaction value is untouched. An eligible payment of ₹5,000 would carry ₹20 before any special category or merchant exemption; a ₹75,000 payment reaches the ₹300 cap. A minority of payments can therefore generate a substantial share of the fee pool.²

Why It Matters

The policy’s strongest argument is plausible, but not yet fully evidenced in public. Asbe says the ecosystem’s annual cost is around ₹20,000–21,000 crore and estimates first-year MDR collection of ₹13,000–15,000 crore. Comparing the low end of receipts with the high end of cost, and vice versa, suggests roughly 62–75% recovery. This is a simple range calculation, not an independent audit. It says the fee could close much of the gap while leaving a material remainder; it does not show which participant incurs which cost, whether costs are efficiently incurred, or how much the government should continue to fund as public infrastructure.⁶

The Finance Committee’s position is a useful counterweight to the idea that subsidies can continue indefinitely. It is also a reason to demand a better budget ledger. If public money previously reimbursed network participants for zero-MDR transactions, the public should be able to compare that subsidy with the private fee stream now being created. Publish audited annual cost categories, the government contribution, fee receipts, the distribution across acquiring and issuing banks, processors and apps, and the investment actually made in security, reliability and acceptance. Without those disclosures, “sustainability” risks becoming a slogan that cannot be tested.⁷¹⁰

The distribution question matters because UPI is not a neutral pipe with one bill and one beneficiary. Merchants’ banks, customer banks, the network, payment service providers and third-party apps participate in the flow. The policy says the MDR is distributed among ecosystem participants, but consumers cannot yet see a transparent, stable public formula for how much each receives. Reuters also reported that PhonePe and Google Pay accounted for about 80% of UPI payment value in August, raising a competition question: if fee income follows payment value and existing acceptance, does the new revenue reinforce the leading apps’ scale advantages? That is a risk to measure, not proof that concentration will worsen.¹¹⁴

A ban on a surcharge is not a ban on economic pass-through. The government says banks should ensure that merchants do not pass MDR to customers, and that UPI applications may not impose platform or hidden fees. A merchant adding a separate “UPI charge” is therefore different from a retailer changing its general prices, reducing a discount, or steering buyers toward cash or cards. The law and payment rules can target the visible surcharge; they cannot automatically prove that a merchant’s broader price would not have been lower without the fee. This distinction is why the consumer test must include prices, discounts and acceptance behaviour—not just whether a separate line item appears on a receipt.¹¹⁵

The promised exemptions also rely on classification, not just transaction size. A merchant receiving up to ₹1 lakh a month through UPI QR under the small-merchant P2PM category is described as zero-MDR even when an individual payment exceeds ₹2,000. That is meaningful protection for a qualifying shop, but it makes onboarding and merchant-category data consequential. Who verifies monthly receipts? How are multiple accounts, franchises, marketplaces and payment aggregators treated? Can a small merchant appeal an incorrect classification before a settlement deduction? A threshold without a transparent classification and correction process can turn a formal exemption into a difficult-to-claim one.²

The announced special rates add another layer: certain designated sectors face flat charges rather than the standard 0.4%, while some capital-market payments have a separate rate. These carve-outs may reflect differences in margins, transaction patterns or policy priorities; they also create a tariff schedule ordinary merchants cannot easily interpret. NPCI’s FAQ is helpful, but the scheme will work only if banks and apps show merchants the applicable category before the transaction, and show deductions clearly on settlement statements.²

Data & Metrics

• UPI scale: NPCI’s September FAQ reports 2,451 crore transactions worth about ₹29.9 lakh crore in August 2026—approximately 24.51 billion payments and ₹29.9 trillion in value.²
• Protected transaction share: The Finance Ministry says approximately 96% of P2M transactions remain unaffected. The release does not provide a public transaction-level table or explain the estimation window, so this should be treated as the government’s projection, not a settled post-launch outcome.¹
• Rate arithmetic: 0.4% equals ₹20 on ₹5,000 and ₹300 on ₹75,000. The cap prevents the fee from increasing beyond ₹300 on larger eligible payments; the applicable small-merchant and sector rules may alter the result.²
• Funding gap: NPCI CEO Dilip Asbe’s estimate of ₹20,000–21,000 crore annual cost versus ₹13,000–15,000 crore projected first-year receipts implies partial recovery only. These are management estimates, not audited accounts or a government forecast.⁶
• Merchant insulation is not transaction insulation: NPCI has separately said that many small merchants will be outside the fee, while the government’s “96%” figure describes P2M transactions. Those denominators must not be conflated.¹¹⁶

Expert Views

The strongest pro-MDR case comes from the operator that must keep the system running. NPCI chief executive Dilip Asbe said zero MDR slowed reinvestment and that the projected ₹13,000–15,000 crore was intended as a reasonable first-year contribution—not full cost recovery. His argument is more persuasive when framed as “the ecosystem needs dependable funding” than as “merchants can afford this.” The same interview coverage reports that most expected MDR value is concentrated in very large businesses, a design intended to protect smaller sellers while charging merchants already accustomed to paying for card acceptance.⁶¹⁶

The counterargument is not that infrastructure has no cost. It is that merchant incidence is uncertain and the network is now too important to treat the fee as a private commercial matter. The Supreme Court’s reported request for clarity on whether this is a tax, a fee or another kind of levy underlines that legal authority and policy justification need to be stated plainly. The Court has not yet resolved those questions.³

Consumer advocates and independent commentary focus on the gap between formal incidence and real incidence. Frontline argues for transparent rate-setting and a post-launch review that measures prices, discounts, cash substitution and differences across merchant size and sector. That is the right empirical test: not just whether the rule says “merchant-paid,” but whether consumers or smaller sellers ultimately bear the cost.¹⁵

Consumer Impact

For now, before 15 October, the announced MDR has not begun. After implementation, ordinary P2P transfers remain free regardless of amount, and standard merchant payments up to ₹2,000 remain protected. Qualifying small merchants in the P2PM category remain zero-MDR across payment sizes. The customer is not supposed to see a separate MDR or app “platform fee”; for an eligible higher-value purchase, the formal MDR is deducted within the merchant payment chain.¹²

What a customer should do is straightforward. Check the bill total before authorising payment; do not accept a UPI-specific surcharge presented as a required condition of paying digitally; keep the invoice and a screenshot if one is imposed; and report the issue to the National Consumer Helpline at 1915 or through its web portal. The Department says it is preparing to route such complaints, but the launch should be judged by actual redressals, not readiness statements.⁵¹⁷

A general price increase is harder to attribute. If prices rise after 15 October, compare the same item and seller across payment methods and retain dated bills. One shop’s price change does not prove MDR pass-through; a repeated pattern among eligible, high-ticket merchant categories would be a reason for regulators to investigate. Consumers should not be told that they will pay nothing in every economic sense. The narrower promise is that the payment itself should not attract a customer-facing MDR surcharge.

Looking Ahead

The first six months after 15 October should be treated as a monitored policy trial, even if the rules do not formally call it one. NPCI and RBI should publish monthly data on eligible transactions and value, fee collections, merchant category, settlement deductions, complaints, failed or reversed transactions, and UPI acceptance exits. Consumer Affairs should publish complaint counts and resolution times for explicit UPI surcharges. A one-year review should compare prices and discounting in sectors with high MDR exposure against comparable sectors with lower exposure, while separating general inflation and tax changes from payment-specific effects.

Three questions will decide whether the reset is defensible. Does the fee fund measurable improvements? Merchants and consumers should see better uptime, fraud prevention, dispute handling and settlement reliability, not only a new deduction. Is the exemption operational? Small merchants need simple enrollment, visible eligibility and a fast appeal path. Does the revenue stay competitive and proportionate? If large platforms capture most of the fee pool while smaller providers cannot scale acceptance, the model may fund incumbents rather than resilient infrastructure.

The court challenge could clarify the legal basis and expose how the policy was designed, but legal review alone will not answer whether 0.4% is economically fair. Nor does withdrawing “No UPI Day” show that merchants accepted the charge; it shows that dialogue replaced a one-day protest. On 15 October the real referendum begins at the counter and in the settlement ledger. The government’s task is to make the costs visible, keep the user promise enforceable, and publish enough evidence for the public to decide whether a fee on a public-scale payment rail buys a better system—or merely changes who pays for the same one.

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