The timeline of India’s Russian crude oil imports from 2022 to 2026 shows the impact of war-era discounts, US tariff pressure, sanctions and global supply disruptions. (AI-generated image used for representational purposes) A sudden halt to Russian crude imports would pose a supply-chain challenge for Indian refiners, potentially intensifying competition for alternative barrels and putting pressure on freight and procurement costs, while limited scope for further growth in Venezuelan oil output could constrain refiners' ability to exploit cheaper heavy crude, analysts said.