Supply-side inflation driven by geopolitical oil shocks limits how well monetary policy works. Critically examine this in the context of India's inflation-targeting framework.

Under the RBI Act, 1934, India's Flexible Inflation Targeting (FIT) framework sets a CPI target of 4% ±2% [2]. Repo rate hikes work by curbing demand. The current inflation, however, comes from West Asia tensions and high crude prices [1], and the RBI itself admits that "short run supply shocks cannot be controlled by central banks" [2]. The limitation is real, but it is partial.

How oil shocks limit monetary policy

• Demand tool, supply problem: A higher repo rate makes loans costlier, but it cannot increase oil supply or reopen supply routes [2].
• CPI basket structure: Food (45.9%) and fuel (6.8%) together make up more than half of CPI. India's food share is the highest among inflation-targeting countries [2].
• Little room to tighten: In 2022 tightening began with India's repo rate at 4%. Today rates are already restrictive, so further hikes risk slowing growth [1].
• Double burden: Oil raises prices immediately. Rate hikes then raise EMIs and financing costs for households and MSMEs [1].
• Track record: Average CPI inflation rose from 4.4% (Oct 2016–Mar 2021) to 5.4% (Apr 2021–May 2025), a period full of supply shocks [2].

Why monetary policy still matters

• Second-round effects: After the Russia–Ukraine war, food, fuel and core inflation all crossed the target together for the first time. CPI peaked at 7.8% in April 2022 [2]. The RBI says policy "cannot ignore" the knock-on effects of supply shocks that persist [2].
• Anchoring expectations: The IMF advises keeping policy restrictive enough to prevent second-round effects [3].
• Built-in flexibility: The ±2% band lets the MPC look through one-time shocks. Section 45ZN accountability, invoked in November 2022, protects credibility [2].
• Overall gains: Average inflation fell from 7.4% before FIT to 4.4% in the first FIT period [2].

Geopolitical oil shocks therefore limit how far monetary policy can reach, but they do not make it irrelevant. The MPC should judge how long a shock will last, not only how big it is, and track core inflation and household expectations. The government should handle the supply side through fuel-tax calibration and food buffer stocks. With the central bank independence that the IMF calls "vital" [3], this division of labour can keep FIT credible and secure both price stability and growth.