New Delhi, June 12 -- The US sanction against India's oil import from Iran will not disrupt domestic fuel supply because Indian refiners have made alternative arrangements, but consumers may feel the pinch as oil marketing companies are under immense pressure to hike petrol and diesel rates post-elections, government and industry officials said.

"Crude oil imports have become costlier. The US sanction has added to the woes. Oil companies are unable to proportionately increase retail prices of petrol and diesel due to political constraints. Ultimately, the consumer will face the heat as oil companies cannot absorb it (higher crude oil rates) indefinitely," an executive in a state-run oil marketing company said.

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