India Mounts Costly Rupee Defence as RBI Drains Billions in Forex Reserves — October 22, 2026

India is mounting an increasingly aggressive defence of the rupee, deploying tens of billions of dollars across currency markets to curb excessive exchange rate volatility and stem capital outflows.

According to weekly statistical data from the Reserve Bank of India (RBI), the nation's foreign exchange reserves fell to $726.027 billion as of October 9, marking a steep decline from the lifetime peak of $785.706 billion reached on September 4. In just six weeks, the central bank has depleted roughly $59.7 billion in headline foreign currency assets and gold. Banking estimates indicate that the central bank has tapped approximately $90 billion since June from the more than $140 billion garnered earlier in the year through overseas diaspora mobilisation schemes and swap windows to hold the line.

Escalating Macroeconomic Headwinds

The rupee has faced persistent downward pressure throughout the year, ranking among Asia's weakest performers. The weakness has been compounded by a combination of global and domestic pressures:

• Surging Energy Import Costs: Elevated international crude oil prices have significantly widened India's merchandise trade deficit, given the country's reliance on imported oil for over 80% of its domestic consumption.
• Foreign Portfolio Outflows: Data from the National Securities Depository Ltd (NSDL) shows foreign portfolio investors (FPIs) have pulled out a net $26.8 billion from domestic capital markets this year, exerting sustained selling pressure on rupee assets.
• Global Yield Divergence: Firm US Treasury yields and broad-based dollar strength have kept emerging market currencies under sustained pressure, forcing monetary authorities worldwide to protect domestic purchasing power.

Unconventional Measures and Market Intervention

Whenever the rupee has neared the psychological threshold of 97 per US dollar, the RBI has stepped in aggressively with direct interventions and administrative controls:

Key Policy Interventions Undertaken:

• Special Oil Marketing Window: The central bank opened a dedicated dollar-clearing window for state-run oil refiners, routing massive dollar demand away from the spot market to prevent abrupt spikes in exchange rates.
• Forward Contract Restrictions: The RBI imposed cash margin rules requiring authorized dealers to maintain a 20% cash reserve on forward dollar contracts with the central bank, curbing speculative forward dollar buying by domestic importers.
• Derivative Curbs: Regulatory thresholds for rupee-linked derivative positions lacking underlying commercial exposure were tightened to suppress offshore speculative activity.
• Spot and Swap Operations: State-owned banks executed large-scale dollar sales on behalf of the RBI, backed by currency swaps to manage interbank cash liquidity.

These actions, along with lumpy capital inflows linked to upcoming mega-listings like Jio Platforms, managed to pull the rupee back to roughly 94.50 per dollar.

What This Means for Indian Markets

While the central bank’s aggressive intervention has successfully shielded domestic importers from sharp currency swings, economists warn that the current burn rate cannot continue indefinitely.

Continued absorption of rupees through spot dollar sales siphons durable liquidity out of the domestic banking system, potentially tightening credit availability and putting upward pressure on domestic short-term borrowing costs. Furthermore, with net forward dollar liabilities expanding significantly alongside spot interventions, analysts caution that persistent reserve depletion could reduce the RBI's buffer against severe future external shocks. For equity and debt investors, tracking reserve trends and trade balances in the coming weeks will remain essential to gauging macro stability and the trajectory of domestic interest rates.

Tags: Reserve Bank of India Indian Rupee Forex Reserves US Dollar Foreign Portfolio Investors Energy Markets