Russia, the world's second largest oil exporter, is weighing how to respond to U.S. sanctions on top oil firms Rosneft and Lukoil and the prospect of lower sales to its biggest buyer, India.

Private sector refining giant Reliance Industries (RIL), which alone accounts for around half of India’s Russian oil imports and sources a bulk of its Russian oil purchases from Rosneft under term deal,

India-Russia trade today is more than energy; it includes engineering and mechanical goods, electronics, pharma ingredients, and