An IndianOil refinery worker wearing a safety helmet and protective glasses

Indian refiners expect Russian crude availability to tighten in October and November as export volumes shrink and Chinese buyers compete for cargoes. Ship-tracking estimates placed India's September arrivals near 1.75 million barrels per day, the lowest level since April, after imports had already fallen about 16.5% in August to roughly 2.1 million bpd.

Russia nevertheless remained India's largest crude supplier. The change is therefore a supply and pricing story, not evidence that the India-Russia oil trade has ended.

Why Russian barrels are harder to secure

Four trade sources told Reuters that overall Russian export availability had fallen and that some Chinese buyers were prepared to book earlier or pay firmer prices. Shipments from the Black Sea port of Novorossiysk were also constrained after attacks disrupted loading activity.

Oil trading data is provisional. Cargoes can be rerouted, delayed or counted differently depending on whether the measurement uses loading date, arrival date or ship-tracking estimates. Final customs data may therefore differ from preliminary figures.

The commercial effect is clearer: when discounted barrels become less available, Indian refiners must compare alternatives from the Middle East, the Americas and other regions. Freight, quality and refinery configuration can matter as much as the headline price.

What it could mean for Indian refiners

Refiners may face higher input costs if replacement grades are more expensive or travel farther. That does not translate automatically into an immediate retail fuel-price change. Domestic pricing also reflects taxes, marketing margins, inventories, exchange rates and government policy.

Complex Indian refineries can process a wide range of crude grades, which provides flexibility. However, switching supply is not instant. Companies need suitable cargoes, shipping slots, credit arrangements and assurance that the grade matches their units and product slate.

The rupee is another variable because crude is generally priced in dollars. A weaker local currency can raise the landed cost even if the global benchmark is unchanged.

Why Chinese demand affects India

China and India are both major buyers of Russian seaborne oil. When export supply is limited, stronger bids from one market can reduce discounts or cargo availability for the other. The competition is commercial, but it also sits within sanctions, shipping insurance and geopolitical risk.

Neither country's purchases are fixed. Refiners change their mix based on economics, government rules and operational requirements. A one-month decline should not be projected indefinitely.

What to watch in October and November

The most useful indicators are actual arrivals, Russian export schedules, freight rates, Urals crude discounts and purchases of alternative grades. OPEC+ production decisions and disruptions in the Gulf can also reshape the comparison quickly.

Investors and consumers should distinguish an estimated trade flow from a confirmed policy shift. The current evidence points to tighter availability and stronger competition, not a formal ban on Russian crude imports.

Quick answers

Did India stop buying Russian oil? No. Russia remained the leading supplier in the cited data even as estimated volumes declined.

Why can import estimates change? Tanker data can be revised when destinations, arrival dates or cargo transfers become clearer.

Will petrol and diesel prices rise immediately? The import squeeze is one input, not a direct retail-price formula. Exchange rates, taxes, inventories and domestic pricing decisions also matter.

What would confirm the trend? Several months of arrival data, refinery disclosures and customs figures would be stronger evidence than one preliminary monthly estimate.

Company-level effects may differ. A refiner with long-term supply, flexible units and stronger inventories may absorb disruption more easily than one relying on spot cargoes, so the national average should not be treated as every company's cost.

Updated October 1, 2026, 12:30 IST. Oil flows and prices change daily; preliminary tanker estimates can be revised.

Sources