How the New Taxation Bill Will Reshape UPI Payments in India

Introduction

On 12 August 2026 the Lok Sabha approved the Taxation and Other Laws (Amendment) Bill, 2026, a legislative package that amends the Payment and Settlement Systems Act, 2007. While the bill touches several aspects of fiscal policy, its most visible effect will be on the Unified Payments Interface (UPI), the digital‑payment backbone that processes more than 45 million transactions daily. By removing the long‑standing exemption that barred banks and payment service providers from levying a Merchant Discount Rate (MDR) on UPI, the amendment creates a new revenue stream for financial intermediaries and forces a recalibration of costs for merchants, consumers, and the broader economy.

This article dissects the amendment, evaluates its economic rationale, and projects its practical impact on users, businesses, and regional markets across India. The analysis draws on transaction data from the National Payments Corporation of India (NPCI), comparative case studies from Southeast Asia, and early‑stage industry surveys.

Main Analysis

1. The Economic Logic Behind Introducing MDR on UPI

UPI’s growth has been meteoric: from 1.5 billion transactions in FY 2019‑20 to 2.5 billion in FY 2022‑23, a compound annual growth rate (CAGR) of 27 %. The platform’s zero‑fee model has been a catalyst for financial inclusion, especially in tier‑2 and tier‑3 cities where cash‑less adoption lagged behind metropolitan areas. However, the “free” model also imposes hidden costs on the ecosystem. Banks absorb operational expenses—such as server maintenance, fraud monitoring, and compliance—while payment aggregators invest heavily in API development and merchant onboarding.

According to a 2025 NPCI internal report, the average cost per UPI transaction for a bank is ₹0.12 (≈ $0.0015). Multiplied by 2.5 billion annual transactions, this translates into an annual outlay of roughly ₹300 crore (≈ $36 million). The amendment seeks to offset these expenditures by allowing a modest MDR of up to 0.15 % on merchant‑initiated UPI payments, aligning UPI’s cost structure with that of RTGS (₹5 per transaction) and NEFT (₹2‑₹3 per transaction).

2. Projected Revenue Streams and Fiscal Impact

Assuming a 0.15 % MDR on the average transaction value of ₹500, the annual revenue potential for banks and payment service providers (PSPs) can be estimated as follows:

• Total transaction volume: 2.5 billion × ₹500 = ₹1.25 trillion.
• Potential MDR revenue: 0.15 % × ₹1.25 trillion ≈ ₹1.875 billion (≈ $225 million).

Even if only 30 % of merchants adopt the fee, the sector would still capture roughly ₹560 million annually. The government projects that the additional revenue could be earmarked for digital‑infrastructure upgrades, including the expansion of the Bharat Bill Payment System (BBPS) to rural districts.

3. Comparative International Experience

Indonesia’s QR‑IS (Quick Response – Interbank System) introduced a 0.2 % MDR in 2022 after a two‑year free‑trial period. A study by the Asian Development Bank (ADB) found that merchant costs rose by an average of 1.8 % but that the overall transaction volume grew by 12 % within a year, as the fee was reinvested in merchant incentives and loyalty programs. Similarly, Malaysia’s DuitNow platform imposed a 0.1 % fee in 2023, which led to a 4 % increase in cross‑border e‑commerce transactions.

These precedents suggest that a modest MDR does not necessarily stifle adoption; rather, it can fund ecosystem enhancements that improve security, speed, and merchant services.

4. Regional Disparities and Practical Applications

India’s digital‑payment landscape is uneven. In Maharashtra and Karnataka, UPI accounts for 68 % of all retail payments, while in Bihar and Uttar Pradesh the share hovers around 42 %. The new MDR will therefore have differentiated effects:

1. Urban metros: Merchants in Delhi, Mumbai, and Bengaluru already operate thin margins. A 0.15 % fee on a ₹1,000 sale adds ₹1.50 per transaction—an amount that can be absorbed through price adjustments or passed on to consumers without noticeable impact.
2. Rural markets: Small shopkeepers in villages often transact at ₹150‑₹250 per sale. The same fee translates to ₹0.23‑₹0.38 per transaction, which could be significant for cash‑flow‑constrained businesses. However, the bill also mandates that banks provide “digital‑payment subsidies” for merchants with annual turnover below ₹5 million, mitigating the burden.
3. Micro‑enterprise sector: The Ministry of MSME has pledged a ₹200 crore grant to help micro‑enterprises upgrade point‑of‑sale (POS) terminals, ensuring that the cost of compliance does not become a barrier to entry.

5. Consumer Behaviour and Potential Backlash

Consumer sentiment surveys conducted by the Centre for Monitoring Indian Economy (CMIE) in July 2026 indicate that 71 % of respondents value “zero‑cost” digital payments, while 18 % are willing to accept a small fee if it guarantees better security. The introduction of MDR may trigger a short‑term dip in transaction frequency, especially among price‑sensitive users in the informal sector.

Nevertheless, the bill includes a safeguard: any MDR levied on UPI must be disclosed transparently on the merchant’s receipt, and the fee cannot exceed the cost of processing the transaction. This clause is designed to prevent “fee stacking” and to preserve consumer trust.

6. Technological and Security Implications

Revenue from MDR can be channeled into advanced fraud‑detection algorithms, such as AI‑driven anomaly detection that the Reserve Bank of India (RBI) has piloted in 2024. According to RBI data, UPI fraud losses fell from ₹1.2 billion in FY 2020‑21 to ₹0.4 billion in FY 2024‑25 after the deployment of real‑time monitoring tools. Additional funding could accelerate the rollout of biometric authentication and tokenisation across the network, further reducing the risk of credential theft.

Examples

Case Study 1: A Delhi‑Based Café Chain

“Spice & Sip” operates 12 outlets across Delhi and processes an average of 1,200 UPI transactions per day, with an average ticket size of ₹350. Under the new MDR regime, the chain would incur an extra cost of:

• Daily MDR: 1,200 × ₹350 × 0.15 % ≈ ₹630.
• Annual MDR: ₹630 × 365 ≈