India's New Fuel Export Duties: Boosting Revenue, Squeezing Refiners

This fiscal move shows India's plan to use international market conditions for more revenue while protecting domestic energy supplies. The changes aim to discourage too many exports when global prices are high, ensuring enough fuel at home.

New Export Duties Explained

India's Ministry of Finance has changed the Special Additional Excise Duty (SAED) on petroleum product exports, effective May 16, 2026. A new duty of ₹3 per litre is now imposed on petrol exports, which previously had no export duty. Meanwhile, duties on diesel exports are reduced to ₹16.5 per litre, and on Aviation Turbine Fuel (ATF) to ₹16 per litre. This change, part of regular fortnightly reviews that began March 27, 2026, also sets the Road and Infrastructure Cess (RIC) to zero for these products. The policy aims to collect revenue from higher global crude prices and supply worries due to geopolitics, without changing domestic retail fuel prices. The previous update on May 1, 2026, had set diesel duties at ₹23 per litre and ATF at ₹33 per litre, with petrol remaining at zero.

Impact on Refiner Margins and Valuations

The new export duty structure directly affects the profits of refiners focused on exports. Reliance Industries, a key player, now faces tighter profit margins from exports. Its P/E ratio is about 20.9-22.81 as of May 2026, much higher than domestic refining peers like Indian Oil Corporation (IOCL) at around 5.52, Bharat Petroleum Corporation (BPCL) at 5.24, and Hindustan Petroleum Corporation (HPCL) at 5.35. Reliance Industries' market capitalization, estimated at ₹18.46 lakh crore, is much larger than its peers.

Historically, similar duty changes have led to investor concern, with Reliance Industries shares dropping 4-5% on March 27, 2026, after export levies were reintroduced earlier.

Global oil markets are volatile, with Brent crude trading near $109 per barrel and WTI around $105 per barrel on May 15, 2026. The US Energy Information Administration (EIA) forecasts Brent crude to average about $106 per barrel for May and June 2026, due to ongoing supply worries from West Asia and disruptions at the Strait of Hormuz.

India relies on imports for 88.6% of its crude oil, with an annual oil import bill of about $134.7 billion in FY26. The country is therefore highly affected by these global price swings.

Analyst sentiment on Reliance remains largely positive despite these pressures. A strong consensus from 31 of 32 analysts rates Reliance Industries a 'Buy' with a target price of ₹1,697. However, some recent market analyses have downgraded the stock to 'Hold', citing high valuations and mixed technical indicators.

Geopolitical Risks and Sector Outlook

Geopolitical instability in West Asia, especially around the Strait of Hormuz, poses a significant risk to global energy supplies, influencing India's export duty policy. This makes Reliance Industries' high valuation of about 22.81x P/E, compared to the industry average of 13.18x, more vulnerable if government taxes consistently reduce export profit margins. India's substantial crude oil import bill and high dependence make it susceptible to price shocks; any major disruption at the Strait of Hormuz could boost inflation and widen the current account deficit.

Furthermore, the government's regular adjustments to export duties based on global prices create policy uncertainty for refiners, historically leading to stock price volatility.

The broader Indian oil and gas sector is generally valued conservatively, with peers like IOCL, BPCL, and HPCL trading at much lower P/E multiples. This suggests ongoing market caution regarding sector cyclicality and government regulation.

The future performance of refiners will likely depend on easing geopolitical tensions in West Asia, the direction of global crude oil prices, and the government's strategy for using export duties to balance national revenue goals with domestic energy security.