For everyday payments in India, UPI is the clearest low-cost choice for individuals: person-to-person UPI transfers are free regardless of amount, and customers are not charged MDR on UPI merchant payments. For merchant purchases up to ₹2,000, the Ministry of Finance says MDR remains zero. IMPS and debit-card customer costs depend on the bank, account and card terms, so there is no universal winner for every transaction.
Start with who pays: customer fee or merchant MDR?
“Cheapest” can mean the fee you pay or the cost a merchant pays to accept a payment. These are not interchangeable. Merchant discount rate (MDR) is a merchant-side payment-processing charge; it is not automatically deducted from the customer’s payment or owed by the customer.
In its 15 September 2026 release, the Ministry of Finance said: “MDR is a charge within the merchant payment ecosystem. It is not a charge on customers making UPI payments.” The Ministry also said banks should prevent merchants from passing MDR to customers and that UPI apps may not add platform or hidden charges. Ministry of Finance, 15 September 2026
What each option costs in common situations
| Payment situation | What is established | What to check |
|---|---|---|
| UPI person-to-person transfer | The Ministry of Finance says sending and receiving P2P UPI payments are free to individuals regardless of amount, with no transaction, platform or other charges. Ministry of Finance, 15 September 2026 | No general customer fee is stated in that release. |
| UPI purchase from a merchant, up to ₹2,000 | Zero MDR; customers are not charged MDR. Ministry of Finance, 15 September 2026 | This describes the stated UPI MDR treatment, not any unrelated charge a merchant might apply for a separate service. |
| Specified regular UPI merchant payment above ₹2,000 | The announced MDR is 0.4%; for transactions of ₹75,000 and above it is capped at ₹300. MDR is merchant-side, not a customer fee. Ministry of Finance, 15 September 2026 | The category and scheduled effective date matter; see the next section. |
| IMPS transfer | NPCI describes IMPS as an instant transfer service and states a ₹5 lakh per-transaction limit for channels other than SMS and IVR. NPCI IMPS product overview | NPCI directs customers to their bank for details; there is no universal customer fee established here. |
| Debit-card purchase | A reported indicative debit-card merchant acceptance charge is up to 0.90%. That is not a cardholder transaction fee or annual card fee. The Economic Times, updated 22 September 2026 | Check the issuing bank’s charges for the specific account and card variant. |
UPI merchant rates: categories and timing matter
The Ministry of Finance’s 15 September 2026 announcement gives different merchant-side MDR treatment by payment type and category:
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- Specified regular P2M transactions above ₹2,000: 0.4% MDR, capped at ₹300 for transaction values of ₹75,000 and above.
- Essential or thin-margin sectors above ₹2,000: a flat ₹5 MDR per transaction for railways, telecom, insurance, fuel and agricultural inputs.
- Capital-market payments: 0.02% MDR, capped at ₹300, for mutual funds, securities, stockbrokers and dealers.
- Qualifying small P2PM merchants: zero MDR on all transactions if the merchant receives up to ₹1 lakh per month through UPI QR under the P2PM category.
These are merchant rates, not amounts a UPI customer should assume they owe. The Ministry release is the later, specific announcement; an earlier Ministry statement on 8 August 2026 described an enabling provision and a committee process. The 15 September 2026 Ministry release reports the framework as announced. The Economic Times reported that it was scheduled to begin on 15 October 2026, a date after the information current as of 4 October 2026; check for implementation updates if comparing payments after that date. The Economic Times, 22 September 2026
Why IMPS and debit cards cannot be ranked universally
IMPS
IMPS is designed for instant bank transfers, but the NPCI product overview does not set a universal customer tariff. Your bank’s schedule determines whether an IMPS transfer costs anything and whether pricing varies by channel or account. The stated ₹5 lakh limit applies per transaction to channels other than SMS and IVR; check your bank for channel-specific terms. NPCI IMPS product overview
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Debit cards
A merchant acceptance rate and the cardholder’s costs answer different questions. The Economic Times report gives an indicative debit-card merchant charge of up to 0.90% attributed to NPCI; it does not establish what a customer pays for a purchase, card issuance, annual maintenance or replacement. Those charges depend on the issuing bank and card variant. The Economic Times, 22 September 2026
How to find your cheapest option
- Identify the payment type. A transfer to another person (P2P) is different from paying a shop, service provider or other merchant (P2M).
- For UPI merchant payments, note the amount and category. The announced MDR treatment distinguishes payments up to ₹2,000, specified transactions above that amount, essential-sector categories and capital-market payments.
- Separate your fee from the merchant’s. Do not treat a merchant MDR rate as a fee charged to you; the Ministry says customers are not charged UPI MDR.
- Check the current tariff for IMPS and your debit card. Use your bank’s current schedule of charges for your account and card variant, including any transfer, issuance or maintenance fees relevant to your use.
- Check IMPS channel and limit terms. NPCI states a per-transaction limit of ₹5 lakh for channels other than SMS and IVR; confirm the bank’s conditions for the channel you plan to use.
Practical verdict by use case
- Sending money to another person: UPI has the clearest supported zero-cost answer for individuals, regardless of amount, under the Ministry of Finance’s 15 September 2026 statement.
- Paying a merchant up to ₹2,000: UPI has zero MDR and the customer is not charged MDR under that statement.
- Paying a merchant above ₹2,000: the announced UPI MDR depends on category and is merchant-side; it does not establish a universal customer fee for debit cards or a universal IMPS cost.
- Choosing between IMPS and a debit card on customer cost: compare your own bank’s current fees. The available rate comparison concerns merchant acceptance costs, not a universal cardholder price.
Sources and scope
This comparison is for India and reflects information current as of 4 October 2026. The Ministry’s UPI MDR announcement is dated 15 September 2026. NPCI’s IMPS overview supplies the instant-service description and channel-qualified transaction limit, while the debit-card merchant-rate comparison is reported by The Economic Times and should not be read as a customer fee. A Lok Sabha answer dated 18 August 2025 discusses section 10A of the Payment and Settlement Systems Act and historical government incentive support; it is legal and historical context, not the source for the later 2026 MDR categories. Lok Sabha answer, 18 August 2025
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