India, the world's third largest oil consuming and importing nation, spent 102.5 billion euro (about Rs 1.5 lakh crore) on buying crude oil from Russia since the start of the Ukraine war, a European think tank said on Thursday. The Centre for Research on Energy and Clean Air (CREA) released a report on payments to Russia for fossil fuels since February 24, 2022. "According to our estimates, since the beginning of the war, Russia earned EUR 835 billion in revenue from fossil fuel exports," it said. China was the biggest buyer of Russian fossil fuel at EUR 235 billion (made up of EUR 170 billion for oil, EUR 34.3 billion for coal and EUR 30.5 billion for gas). India, according to CREA, bought fossil fuel worth EUR 205.84 billion from Russia from the beginning of the war until March 2, 2025. This comprised EUR 112.5 billion (USD 121.59 billion) for purchase of crude oil, which is refined into fuels like petrol and diesel at refineries, and EUR 13.25 billion for coal. India, which is