The Reserve Bank of India’s Efforts to Save the Rupee Deplete Reserves: $50 Billion Plunge in Forex Holdings, $200 Billion Forward Dollar Liabilities Become a Ticking Time Bomb

India's central bank is paying an increasingly heavy price to defend the rupee. Foreign exchange reserves have evaporated by $50 billion since early September, and $200 billion of negative dollar forward positions combined with an additional $35 billion in forward dollar exposure within the banking system are pushing this currency defense to a sustainability tipping point.

The Reserve Bank of India (RBI) has successively escalated its intervention measures: from mobilizing $133 billion of NRI deposits in less than three months, to directly setting up a special window that shifts the daily $250–400 million dollar-buying demand of state-run oil companies onto the RBI's balance sheet, to reintroducing derivatives controls and sharply curbing speculative forex space for market participants. The rupee has temporarily rebounded from historic lows to near 95, yet the triple external pressures of high oil prices, rising inflation, and soaring US Treasury yields make the prospects of this rescue operation increasingly fragile.

The deeper risk lies in the fact that the 10-year government bond spread between India and the US has plummeted from 600 basis points in 2013 to around 200 basis points today, meaning the traditional interest rate buffer has all but disappeared. As administrative interventions approach their limits, the market has begun to discuss another path—rebuilding the yield spread advantage by raising the entire yield curve, replacing administrative directives with price signals. However, this path is also costly, as it will directly increase domestic borrowing costs and further drag down an already pressured economy.

Reserves Depletion and Forward Liabilities: The Real Pressure Beneath the Surface

The RBI’s foreign currency reserves have fallen by $50 billion since early September, a rate far exceeding market expectations and directly reflecting the scale of the central bank’s dollar sales in the spot market. While reported reserves still stand at $73.4 billion, this number masks a much more severe structural pressure.

Spot market depletion is only the tip of the iceberg. The RBI’s negative dollar forwards now total $200 billion, meaning the central bank is shouldering massive future dollar settlement obligations in the forward market. Meanwhile, the banking system faces an additional $35 billion in forward dollar exposure due to interest payments on NRI dollar deposits, according to estimates by Observatory Group analyst, ex-banker, and securities regulator Ananth Narayan.

This structural accumulation of dollar liabilities means that each spot intervention further intensifies forward settlement pressures. This round of NRI deposit mobilization reached $133 billion—more than five times the $26 billion mobilized in 2013—but unlike 2013, these funds have not stabilized reserves, which continue to decline. While banks have transferred exchange rate risk to the central bank, they are still required to source dollars to pay interest to NRI depositors, thus generating additional forward dollar demand. If bearish market sentiment persists, the rollover cost of forward positions will skyrocket, further eroding the RBI’s policy space.

Administrative Measures Fully Upgraded, But Only Address Symptoms

According to a Wallstreet Insights article, the Reserve Bank of India established a special window from October 12, 2026, directly providing foreign exchange through designated banks to three state-owned refiners—Indian Oil (IOC), Hindustan Petroleum (HPCL), and Bharat Petroleum (BPCL)—completely bypassing the spot market. Goldman Sachs emerging markets strategists Rishi Radia and Lu Sun noted in a report that these three refiners’ annual dollar demand is around $120 billion, and the largest buyer depressing the rupee in the spot market has now disappeared from that market.

However, the Goldman report bluntly states: “The actual demand for dollars has not changed; it is simply now met by the RBI’s foreign exchange reserves.” The rupee’s spot market pressure has been relieved at the expense of faster reserve depletion—so long as oil prices hover around $100, every barrel of crude imported by India will directly draw down on reserves.

At the same time, the RBI has also reintroduced derivatives controls used briefly during acute stress in April: prohibiting rebooking of cancelled rupee forex derivative contracts; slashing the cap on forex derivative positions that may be established without proving actual exposure from $100 million to $5 million—a 95% cut; and imposing a 20% cash margin requirement for hedging contracts above $2 million. Goldman characterizes the last measure as an “implicit hike in hedging costs.”

Notably, these controls have a clear loophole: offshore independent banks not authorized by the RBI are not directly subject to these requirements. Goldman expects “some hedging demand will consequently shift to the NDF market,” and tightening onshore may accelerate the migration of hedging activities offshore.

The 2013 Precedent: The Cost of Administrative Intervention

The RBI’s current moves closely mirror its crisis response during the 2013 “Taper Tantrum,” but history offers a sobering lesson. In 2013, a panicked Reserve Bank of India also frequently resorted to administrative measures, ultimately hiking the overnight rate by a single-step 200 basis points, driving the short-term rate up to 10.25%. This steadied the exchange rate briefly, but triggered a corporate working capital crisis; after banks enjoyed one quarter of high loan margins, they entered a prolonged asset quality deterioration, with highly leveraged corporate borrowers defaulting in turn.

The real turning point of that crisis did not come from more administrative tools but from Raghuram Rajan’s appointment as central bank governor and his announcement of a committee to set an explicit inflation target regime, which restored market confidence through institutional credibility and eased pressure on the rupee.

In the current situation, since taking office in December 2024, RBI Governor Sanjay Malhotra has cut rates by a cumulative 125 basis points and purchased more government bonds within 12 months than in the first year of the pandemic. The first 25 basis point rate hike only came this month, and two of the six monetary policy committee members still oppose shifting the policy stance from neutral to “calibrated tightening.” The market widely believes the RBI has been too accommodating to New Delhi’s fiscal needs and too hesitant on the inflation front.

Shrinking Yield Spread: Traditional Defenses Near Collapse

In 2013, the 10-year government bond yield spread between India and the US was a hefty 600 basis points, providing a significant rate buffer that kept global capital invested in Indian assets even under pressure. Today, that spread has narrowed to just 200 basis points, drastically reducing the appeal of holding Indian assets.

This sharp contraction means the RBI can no longer rely on high yields to retain foreign capital as in the past. According to a Wallstreet Insights article, foreign investors have been net sellers of roughly $31 billion in Indian equities this year, while domestic institutions have been net buyers of about $72 billion. The pressure of capital outflow has taken on a clear structural character. In this context, relying solely on selling dollars to stabilize the exchange rate is tantamount to pitting limited reserves against sustained net capital outflows.

Raising the Yield Curve: A Viable Alternative to Administrative Intervention?

Faced with the sustainability crisis of administrative interventions, an alternative proposal is under discussion: the RBI selling bonds to banks, raising the entire yield curve instead of just short-term rates. The 10-year yield is closely tied to banking liquidity: tightening liquidity to reset long-term rates is the most direct way to rebuild India’s yield advantage over US Treasuries.

The core logic here is that if the RBI allows or actively pushes government bond yields higher, it can once again widen the India–US yield spread to attract foreign capital inflows, alleviating rupee depreciation pressure. Unlike direct dollar sales, this approach does not deplete reserves or accumulate forward dollar liabilities, making it more sustainable in mechanism.

But the costs should not be ignored. Raising the yield curve will increase domestic borrowing costs, directly impacting an economy where credit demand has rebounded to nearly 20%. Currently, personal loans account for a substantial portion of this demand, while corporate borrowing is mainly for topping up inventories in the face of inflation-boosted input prices, rather than investing in new assets. If short-term rates are raised now, the yield curve could invert, squeezing bank spreads and stalling the credit engine again.

Moreover, forcing the government to finance at higher rates—especially when El Niño-caused droughts and rising rural welfare needs mount—will only worsen India’s long-standing fiscal vulnerability. According to Wallstreet Insights, Goldman Sachs economist Santanu Sengupta expects the RBI to raise rates another 25 basis points in December, with a cumulative further 50 basis points of hikes in 2027’s first half, pushing the policy rate to 6.25%.

$50 billion in reserves depletion and $200 billion in forward dollar liabilities already indicate that the RBI’s current intervention model is hard to sustain for long. The experience of 2013 shows that the outcome of a currency defense depends ultimately on whether the central bank can re-establish market credibility, not merely by escalating administrative tools. The choice between administrative actions and price signals will determine the final direction of this rupee defense battle.