India's Energy Security Under the Hormuz Disruption: Policy Response and Structural Vulnerabilities
Iran declared the Strait of Hormuz closed to hostile vessels in early March 2026 following military operations in the region, disrupting one of the world's most critical oil transit chokepoints through which approximately 20 million barrels per day of crude oil and petroleum products flow.
India's crude oil basket price surged from approximately $63 per barrel to around $114–146 per barrel within weeks of the closure, representing a sharp increase that placed significant pressure on the fiscal position of oil marketing companies (OMCs).
Approximately 30 India-bound vessels were reported stranded or held in maritime holding patterns during the peak disruption window, threatening refinery throughput schedules.
The Union Cabinet reduced excise duties on petrol and diesel by ₹10 per litre to absorb a portion of the price spike and shield retail consumers, while OMCs continued to procure crude at elevated international prices — generating reported losses of up to ₹1,000 crore per day across the sector.
India's Strategic Petroleum Reserves were reported to be approximately two-thirds full at the time of the crisis, providing a limited buffer estimated at around 9.5 days of consumption at government-managed reserves, with refinery-held stocks adding further coverage.
The Strait of Hormuz: A Critical Energy Chokepoint
The Strait of Hormuz is a 33-kilometre-wide waterway at its narrowest point, connecting the Persian Gulf to the Gulf of Oman between Iran and Oman. It is classified by the International Energy Agency (IEA) as the world's most important oil transit chokepoint. Approximately 20–21 million barrels per day of crude oil and petroleum products — roughly 20% of global seaborne oil trade — pass through the strait daily.
The 2026 disruption is a live test of the structural vulnerability that energy security planners have long warned about — India's near-total dependence on maritime routes that pass through a single chokepoint controlled by an adversarial state.
India's Strategic Petroleum Reserves (SPR): Capacity and Limitations
India maintains underground strategic petroleum reserves managed by Indian Strategic Petroleum Reserves Limited (ISPRL), a wholly owned subsidiary of the Oil Industry Development Board (OIDB) under the Ministry of Petroleum and Natural Gas.
The crisis exposed the practical limit of India's SPR buffer. While reserves provided a short-term cushion, a prolonged Hormuz closure would exhaust government-managed stocks well within the crisis window, requiring more aggressive demand management or alternative sourcing.
Fuel Pricing in India: Administered vs. Market-Linked Mechanisms
India moved from a fully administered fuel pricing regime to dynamic pricing for petrol (June 2010) and diesel (October 2014), theoretically allowing OMCs to revise prices daily in line with international crude benchmarks and exchange rates.
Key Details
- In practice, retail fuel prices are set by state-owned OMCs — Indian Oil Corporation (IOC), Bharat Petroleum Corporation Ltd. (BPCL), and Hindustan Petroleum Corporation Ltd. (HPCL) — and have often been held stable for extended periods for political-economic reasons.
- The excise duty component in petrol and diesel is a significant lever: the Union government collects approximately ₹19.90/litre on petrol and ₹15.80/litre on diesel (post the recent cut), but these rates have been revised multiple times.
- The difference between international crude cost and retail selling price is absorbed by OMCs as under-recoveries, which may be compensated through budgetary support or cross-subsidisation.
- States levy additional VAT on fuel; combined central + state taxes account for 45–55% of the retail price depending on the state.
The decision to reduce excise duties rather than pass on the Hormuz-driven price spike represents a deliberate policy choice to use fiscal space as a buffer — compressing government revenue to protect household consumption and manage inflation expectations.
India's Crude Oil Import Diversification: The Russia Factor
Following the Russia-Ukraine conflict in 2022, India significantly increased crude purchases from Russia, taking advantage of discounted prices available through bilateral arrangements.
The Russia pivot reduced but did not eliminate India's Hormuz exposure. A prolonged closure directly threatens the 50% of imports still transiting the strait, while global price effects pass through regardless of sourcing origin.
- Strait of Hormuz width at narrowest point: 33 km; each shipping lane is approximately 3.2 km wide.
- India's crude import dependence: 85–90% of total consumption is imported.
- Share of Indian crude imports transiting Hormuz: approximately 50% (~2.5–2.7 million barrels per day).
- India's operational SPR capacity: 5.33 MMT at Vishakhapatnam, Mangaluru, and Padur.
- SPR coverage: ~9.5 days government-managed reserves; ~74 days including refinery stocks.
- Excise duty cut applied during crisis: ₹10 per litre on petrol and diesel.
- Russia's share of India's crude imports: approximately one-third as of 2026.
- IEA recommended strategic reserve threshold: 90 days of net import cover.