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RBI should use forex reserves to prop up rupee: SBI report

March 30, 2026 5 min read Economics GS3
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What Happened

  • The State Bank of India's economic research department released a report recommending that the Reserve Bank of India (RBI) actively deploy its substantial foreign exchange reserves to stabilise the rupee amid the West Asia conflict-driven volatility.
  • India's forex reserves fell for three consecutive weeks in March 2026, declining by over $30 billion during the month; as of the week ending March 21, 2026, reserves stood at approximately $698.35 billion (down $11.41 billion in that week alone).
  • The SBI report flagged that the RBI's March 27 circular capping banks' Net Open Position (NOP-INR) at USD 100 million — while useful for limiting speculative short-selling — may have created a significant divergence between onshore and offshore rupee markets.
  • The report warned that forcing banks to unwind their positions rapidly could create liquidity shortages and a "vicious cycle" where offshore premiums on the rupee rise sharply, amplifying rather than dampening volatility.
  • SBI recommended that the USD 100 million NOP cap be imposed on the trading book only, not on the entire bank book, to avoid operational disruptions across the banking system.
  • Despite the decline, India's forex reserves at ~$700 billion provide over 10 months of import cover — the RBI itself stated that reserves are "adequate to cushion against external shocks."

Static Topic Bridges

Foreign Exchange Reserves: Composition, Management, and Adequacy

India's foreign exchange reserves are held and managed by the Reserve Bank of India under the Foreign Exchange Management Act (FEMA), 1999. The reserves comprise four components: foreign currency assets (FCAs — the largest component, held in major currencies like USD, EUR, GBP, JPY), gold, Special Drawing Rights (SDRs) at the IMF, and India's reserve tranche position at the IMF.

  • As of March 2026: India's total forex reserves ~$698–716 billion; FCAs comprise approximately 85–88% of total reserves.
  • India's forex reserves peaked at approximately $704 billion in late 2024; the March 2026 drawdown reflects RBI intervention and valuation changes.
  • SDRs: The IMF's reserve asset; India holds approximately $18 billion in SDRs; these are quasi-money usable in times of balance of payments stress.
  • Forex reserves are invested in safe, liquid external assets — primarily US Treasury bonds and bonds of other G7 governments; gold is held both physically at the Bank of England and domestically.
  • "Import cover" metric: months of imports payable from current reserves; India's >10-month cover is among the highest in Asia.
  • Ex-RBI official perspective: some analysts argue India needs $1 trillion in reserves for "adequate" stability given the size of the economy and exposure to external shocks.

Connection to this news: The SBI report's recommendation to "use" reserves is essentially urging the RBI to intervene more actively in spot and forward markets to sell dollars (and buy rupees), directly supporting the exchange rate — which the RBI has been doing but, in the SBI's view, not aggressively enough.

RBI Intervention Mechanisms and the NOP Framework

The RBI uses multiple instruments to manage the rupee in its managed float framework. Spot interventions (direct buy/sell in the currency market), forward market operations (currency forwards and swaps), and regulatory tools (like the Net Open Position cap) are the primary levers. The NOP limit governs how much currency exposure a bank can hold at any point — capping it at USD 100 million for INR limits banks' ability to hold large speculative short-rupee positions.

  • Net Open Position (NOP): the difference between a bank's total foreign currency assets (long positions) and liabilities (short positions); a cap limits the maximum net exposure.
  • RBI's March 27, 2026 circular: capped NOP-INR at USD 100 million (compliance deadline April 10, 2026); aimed at squeezing speculative dollar shorts/rupee longs that amplify depreciation.
  • Indian public sector banks tend to be "long onshore, short offshore" (holding more forex domestically, less offshore); foreign banks exhibit the opposite pattern.
  • Forcing both categories to unwind to the NOP cap simultaneously can drain onshore rupee liquidity and create a "divergence" between onshore (NDF market) and offshore rupee prices.
  • SBI's specific recommendation: apply NOP cap to trading book only (speculative positions), not to the entire bank balance sheet (which includes legitimate hedging and operational needs).
  • RBI also forced banks to unwind speculative rupee short positions — short squeezing mechanism that temporarily strengthens the rupee.

Connection to this news: The SBI report's technical critique of the NOP cap implementation highlights the complexity of currency market intervention: blunt instruments can create unintended side effects (offshore-onshore divergence, liquidity stress) even when the underlying intent is stabilising.

India's Forex Reserve Management: Policy Debates and Trade-offs

India's large forex reserve stockpile reflects decades of accumulation, partly driven by the RBI buying dollars during periods of capital inflows to prevent excessive rupee appreciation. While large reserves provide a buffer, they also have costs: opportunity cost (reserves earn lower returns than domestic investment), and the risk of sterilisation (RBI issues government bonds to absorb the domestic money supply expansion from dollar purchases).

  • India's reserve accumulation logic: buffer against sudden stops in capital flows (like the 2013 taper tantrum); import cover security; signalling effect for sovereign rating and investor confidence.
  • Sterilisation: When the RBI buys dollars (increasing money supply in rupees), it "sterilises" this by selling government securities in open market operations — maintaining monetary control.
  • Carry cost of reserves: India invests reserves in low-yield US Treasuries (~4-5%) while domestic borrowing costs are higher (~7%); the difference is the "carry cost" of holding reserves.
  • The RBI's approach: target "orderly market conditions" rather than a specific exchange rate level; intervene to smooth excessive volatility, not prevent structural adjustment.
  • Balance of payments framework: when RBI sells dollars from reserves, it shows as a "reduction in reserves" on the capital/financial account of the BoP.

Connection to this news: The debate between "deploy reserves actively" (SBI recommendation) and "let the market determine with calibrated intervention" (implicit RBI stance) reflects a fundamental tension in managed float currency management — India's ~$700 billion reserve position gives it the capacity to do both without exhausting its buffer.

Key Facts & Data

  • India's forex reserves (late March 2026): ~$698.35 billion
  • Monthly decline in reserves (March 2026): over $30 billion
  • Weekly decline (week of March 21, 2026): $11.41 billion
  • Import cover: over 10 months
  • RBI NOP-INR cap: USD 100 million per bank (circular: March 27, 2026; compliance by April 10)
  • Rupee depreciation since Feb 28: ~4.1% (to ₹94.82/USD as of March 27)
  • Forex reserve composition: ~85-88% foreign currency assets; remainder gold, SDRs, IMF reserve tranche
  • India's SDR holdings: ~$18 billion
  • FEMA enacted: 1999 (governs forex management)
  • Reserves management: RBI, under FEMA Section 17 (powers to invest reserves)
  • SBI recommendation: NOP cap on trading book only, not entire bank book