How Money Is Printed, The Rupee Crisis, Inflation & Power of RBI Ft. Dr. D. Subbarao (Ex RBI Gov.)

ELI5/TLDR

A central bank’s job is boring but important: keep prices stable and stop banks from falling over. The RBI governor doesn’t actually run the economy—he moderates money supply and interest rates. Modern money isn’t backed by gold; it’s backed by trust. The moment people stop trusting the RBI not to print endlessly, the whole currency collapses. Today’s India has good growth numbers but grows unequally—the benefits aren’t trickling down, so private companies won’t invest, and the government is forced to borrow to stimulate. Meanwhile, the rupee weakens not from weakness but from supply-demand for dollars.

The Full Story

What the RBI Actually Does

Subbarao opens with a self-deprecating example: village children understand the RBI governor’s job instantly because “he signs the currency notes.” When teachers add nuance, it confuses people. But “signs currency” captures only a fraction of the role. The RBI’s mandate is macroeconomic stability—price stability (low, steady inflation), financial stability (your bank deposits are safe), and exchange rate stability. Think of it as the economy’s immune system: not visible during good health, essential during crisis.

Most people frame the RBI as “the government’s bank” or “a bank’s bank.” Both are incomplete. The RBI is a technocratic institution appointed by government but intentionally insulated from short-term political pressure—because monetary policy requires decisions that hurt people now for long-term economy health. Politicians can’t afford that pain in a democracy. So you need a central bank that can take a 10-year view while a prime minister is focused on the next election. Tension between government and central bank is hardwired into this design, and it’s working as intended.

Money from Thin Air: The Fiat System

The conversation drills into a naive question: can’t RBI just print money to fix everything? The answer is yes, but “very responsibly.”

Here’s the mechanism. You want to buy a $10,000 bond. You need $10,000. The RBI wants to buy a bond? It just prints $10,000 and buys. That power to create money from thin air is unique to a central bank and is the entire economic foundation. But there’s a catch: it only works if society trusts the RBI won’t abuse it.

Historically, money was commodity-backed. The Bank of England held gold. If you showed up with a note promising “pay the bearer 100 rupees,” the bank handed you 100 rupees’ worth of gold. That worked until it didn’t. After the Great Depression, central banks realized holding gold was a pointless constraint—gold supplies don’t grow with economies. So they went off the gold standard and moved to fiat money: backed by nothing except the central bank’s reputation.

Fiat works as long as trust persists. Countries like Zimbabwe and Venezuela printed without restraint; their currencies became worthless. The RBI, by contrast, commands enough trust that rupees circulate and are accepted. The guarantee on the currency note—“I promise to pay the bearer”—doesn’t mean “I have gold in a vault.” It means “I promise this will be accepted everywhere, because I won’t debase it.”

Inflation: Too Much Money, Too Few Goods

Inflation is the classic “too much money chasing too few goods.” The RBI’s primary job is keeping inflation at 4% (±2%), a band defined as “low and steady.” Why not zero? Some inflation encourages spending and investment; zero inflation can cause hoarding and stagnation. Too much inflation erodes purchasing power and wrecks long-term planning.

The RBI controls inflation via two levers:

Price of money — the repo rate, set by the Monetary Policy Committee (not the governor alone anymore; he chairs a committee of seven). This rate ripples through the economy as the cost of borrowing.
Volume of money — liquidity management. If the central bank sets a 5% repo rate but floods the market with cash, nobody borrows at 5%; rates fall anyway. So the RBI has to ensure the right amount of money circulates so that the repo rate actually prevails.

RBI Independence: A Necessary Tension

Subbarao spent part of his tenure under pressure to cut interest rates during the UPA’s stagflation scare (2011-13). Policy paralysis had frozen fiscal action, so everyone wanted the RBI to stimulate. But inflation was still high. The tension was real and visible.

He emphasizes: the PM cannot by decree slash rates by 50 basis points. “If the prime minister does that, the RBI will collapse”—not overnight, but over months as markets lose faith. The Federal Reserve faces the same from Trump; the system survives because the Fed has strong institutions backing its independence. Pressure exists everywhere between governments and central banks; how it’s managed determines whether the central bank survives intact or becomes politicized and destructive.

Growth ≠ Central Bank Job

A common confusion: can’t the RBI just stimulate and grow the economy? Partial answer. There’s a distinction between actual growth (say, 6.9%) and potential growth (7.5%). The RBI can use lower rates to narrow that gap—nudging the economy toward its potential. But raising potential growth from 7.5% to 8% is the government’s job via fiscal policy, education, infrastructure, and development.

Today’s concern: government-driven growth is unsustainable long-term because the fiscal deficit has limits. Private investment should pick up. But it isn’t, because there’s no demand. Low-income segments of the population, even as the economy grows, aren’t capturing enough income to spend. Upper-income folks are rich enough; a 10% raise doesn’t change their consumption much. But a laborer earning ₹30,000 will spend every extra rupee. Inequality means the gains are concentrated among people who don’t need to spend. Demand dries up. No demand, no reason for private companies to expand. Paradox: rapid growth, but hollowing private investment.

The Rupee Weakening: Not a Disease, a Price Signal

Indians often treat rupee depreciation as national shame. Subbarao reframes it: exchange rate is a price, like the price of potatoes. When demand for dollars rises (via imports, capital outflows, etc.), the rupee weakens. That’s not malice; it’s supply and demand.

Preventing that fall costs money. The RBI could sell dollars and buy rupees, propping up the rate. But if fundamentals say the rupee should weaken, that’s a futile, expensive battle. Better to let it fall smoothly than to resist until reserves run dry, then crash hard. The RBI’s job is to manage the trajectory—no wild swings, just steady adjustment.

Larger picture: the dollar dominates globally because of US economic strength, deep capital markets, and strong institutions. All countries are, in a sense, “hostage” to the dollar as the reserve currency. But that’s the price of participating in global trade. The alternative—a fixed exchange rate, capital controls—causes other disasters: black markets, inflation, balance-of-payments crises. India learned that lesson before 1991 and shouldn’t repeat it.

Demonetization: Hastily Done, Outcome Murky

Subbarao’s take is measured and critical. Demonetization (2016) was executed without clear communication of aims, outcomes, or expectations. That’s a governance failure. But the idea has historical precedent: devaluing old currency to unearth black money. Except… the amount of notes that came back to the RBI exceeded currency in circulation. How? An unsolved riddle.

Evaluated in hindsight, was it successful? Tax-to-GDP ratio rose from 2016 to 2026, but how much is due to demonetization vs. digital tech and improved compliance tracking? Studies needed. The black money effect is equally unclear. One can critique demonetization for sloppiness without dismissing the concept entirely.

Plastic currency is separate. Australia, Singapore use it for durability and hygiene. As cash usage declines, plastic notes make sense. It’s not a conspiracy or Demonetization 2.0.

The Current Economy: Goldilocks with a Flaw

The last four years brought an unusual combo: 7%+ growth and stable inflation. Historically, India had growth-or-stability, not both. But Subbarao identifies three worries:

Private investment isn’t coming. Growth is being engineered by government spending. But fiscal deficits have limits. Eventually, private investment must take off. It won’t, as long as demand is weak among lower-income groups (see: inequality).
Unemployment is severe. The economy grows 7-8%, yet formal sector jobs barely budge. People work, but in informal, precarious roles. This isn’t fixable via interest rates alone. It requires multi-year sectoral focus, skill development, employment-intensive growth. The concern: nobody is even acknowledging it as a solvable problem.
Future readiness. India leveraged service exports—the backbone of growth. AI will erode that. Climate change is coming. Can India move up the value chain in AI (applications for health, education, skill), or will it be left behind in the foundational layer (data centers, compute)? The middle-income trap looms: catching up to existing tech is easy; inventing new tech is hard.

A Long-Term Vision

Subbarao’s hope isn’t naive optimism; it’s conditional. By 2047, can India be a developed country in the sense of Scandinavian quality-of-life—not just high average income, but low inequality, emotional well-being, nobody waking up worried about work and food? He doesn’t know. But he worries about it, as a citizen.

Key Takeaways

RBI’s mandate: Maintain price stability (2-6% inflation, targeting 4%), financial stability (safe deposits, functioning payment systems), and exchange rate stability (smooth adjustment, no volatility).
Money creation: Central banks create money by buying bonds with freshly printed cash. This is legal and necessary; abuse of this power causes hyperinflation and currency collapse.
Fiat money: Since the Great Depression, currencies aren’t backed by gold. They’re backed by trust in the central bank’s restraint. Once trust breaks, the currency is worthless.
RBI independence: The governor chairs a Monetary Policy Committee; interest rates are not a solo call. The government cannot dictate rates; doing so destroys central bank credibility and the economy.
Central bank + government tension: Hardwired. Central banks take long-term views; governments focus on next election. Healthy economies require strong institutions to manage this tension without politicizing monetary policy.
Growth ceiling: Central banks can nudge economies toward their potential growth rate via lower rates. They cannot increase potential growth; that requires government fiscal action, education, R&D.
Exchange rate reality: Depreciation isn’t shame; it’s a price signal reflecting supply-demand for foreign currency. Fighting depreciation beyond smooth management is futile and costly.
Inflation’s causes: Too much money created + supply constraints = rising prices. The RBI controls the money supply to deliver stable inflation; supply shocks (oil, geopolitical) are outside the RBI’s mandate.
Inequality trap: Growth concentrated among wealthy people doesn’t generate demand (they’re already satiated), so private companies don’t invest, so growth stalls. Distributing gains to lower-income segments is essential for sustainable growth.
Unemployment complexity: No single lever fixes it. Requires multi-year sectoral focus, skill development, and hiring-intensive industries. Assuming growth alone solves it has proven wrong.

Claude’s Take

This conversation is an insider’s clinic on how monetary systems actually work, unburdened by ideology. Subbarao doesn’t pretend the RBI is all-powerful or that simple fixes exist. Growth is real; concerns are real.

The key insight is Subbarao’s framing of inequality as the growth-killer. Conventional wisdom says “grow faster and benefits distribute.” He’s saying the causality is backwards: without distribution, growth stalls because demand disappears. That’s uncomfortable for governments that want to boast about GDP while avoiding redistribution.

On the rupee weakness, his deflation of nationalist anxiety is useful. Yes, it’s inconvenient. No, it’s not a plot. It’s a price adjusting to fundamentals. The instinct to “fix” it via controls or reserves depletion is understandable but economically naive—and expensive. This would resonate with anyone who’s watched India fret over the rupee and do nothing productive about it.

On demonetization, he’s fair: the execution was sloppy and the outcomes are unmeasured. But the idea had logic. That’s rarer than tribal defending-or-attacking it. Plastic currency gets a practical yes: it’s good for durability. No great insight, but a useful reset after misinformation.

The AI and unemployment pessimism, tempered by “not unfixable, just complex,” is honest. He doesn’t claim optimism he doesn’t feel. He asks the right question: is India future-ready? And notes the silence around unemployment in policy conversations—a big blind spot.

Minor quibble: he frames the impossible trinity (Mundell-Fleming) correctly but then softens it by saying “China does it because it’s authoritarian; we can’t.” True, but the implication that a democrat must accept rupee weakness or inflation spikes could be pushed harder. Trade-offs are real; “we chose democracy so we get weaker rupees” is a valid answer, but he doesn’t quite land it.

Score: 8/10. Rare conversation between a financially literate interviewer and a thoughtful ex-central banker. Subbarao explains the mechanics clearly (6/10 fermentation is about right—he doesn’t over-simplify, but he’s not technical). The substance is solid: inflation, money creation, independence, growth, inequality, unemployment. The tone is candid without being sensational. Worth the 82 minutes if you want to understand what the RBI does and doesn’t do, and why the economy is growing but private investment isn’t.