Disruptions to oil ‌supplies from the region, as the Iran war enters its eighth month, have forced Asian refiners to suspend purchases under some annual deals (Photo: Reuters) Indian Oil Corp (IOC) plans to cut its West Asian oil purchases under annual deals in 2027/28 as ​the Iran war has created uncertainty for supplies from the ​region, a source familiar with the matter said. Indian refiners traditionally relied on ‌the West Asia for more than half of their annual crude supplies, particularly heavier, high-sulphur grades, because of the region's proximity.