Reserve Bank of India warns digital payments fail to reduce cash demand

India went all-in on digital payments. Cash didn’t get the memo.

Reserve Bank of India Deputy Governor Shirish Chandra Murmu laid out a striking contradiction during a Bank Indonesia event in Jakarta on August 13: despite a decade of surging digital payment adoption, demand for physical currency in India keeps climbing at double-digit rates. The RBI has dubbed this the “cash paradox,” and it’s creating real headaches for the central bank’s ability to forecast how much money it actually needs to print.

The numbers behind the paradox

India currently has roughly 176 billion banknotes in circulation. To keep that stock fresh and growing, the RBI churns out 28 to 30 billion new notes annually across six denominations while retiring about 21 billion worn-out bills. That’s a massive logistical operation serving 1.42 billion people through a decentralized distribution network.

The paradox is this: cash’s share of total transactions is declining. Digital payments, led by the Unified Payments Interface (UPI), have eaten into the role physical currency plays in everyday commerce. But the absolute volume of cash in the system keeps growing, and growing fast.

Murmu pointed to several variables that make demand projections difficult: GDP growth, interest rates, inflation, and wildly uneven digital adoption across demographics. Rural populations, low-income households, older individuals, and small businesses still lean heavily on cash.

Why cash refuses to die

Murmu framed the issue partly as one of monetary sovereignty. Public trust in cash, he argued, is essential to maintaining that sovereignty. If people lose confidence in the availability or reliability of physical currency, the central bank’s credibility takes a hit regardless of how sophisticated its digital infrastructure becomes.

India’s Clean Note Policy, which has been in effect since 1999, already governs how the RBI manages the quality and lifecycle of its currency. But the persistent growth in demand is pushing the central bank to think beyond traditional approaches.

The RBI is now exploring ways to make banknotes last longer and reduce the environmental footprint of the entire cash cycle. Polymer notes and surface coatings are under consideration, with pilot trials targeted for the fiscal year ending in 2028.

What this means for India’s financial ecosystem

The cash paradox has implications that ripple well beyond the RBI’s printing presses.

India’s UPI system has been widely celebrated as one of the most successful real-time payment platforms in the world. Government policy has actively encouraged cashless transactions. Yet the data shows that digital payments are additive, not substitutive. People aren’t replacing cash with UPI. They’re using both.

The RBI’s forecasting challenge also carries a subtle fiscal dimension. Producing and distributing billions of banknotes annually costs money. If the central bank consistently underestimates demand, shortages can erode public confidence. Overestimate, and you’re warehousing excess inventory at taxpayer expense. Getting it right requires understanding not just macroeconomic trends but the behavioral economics of how 1.42 billion people choose to pay for things.

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