New Delhi, July 12 India's imports of Russian crude oil climbed to a record high in June, even as Russia's overall oil export revenues declined amid softer global prices, according to a report by the Centre for Research on Energy and Clean Air (CREA).The report said India imported Russian crude worth EUR 4.5 billion during the month, a 34 per cent increase over May. Crude oil accounted for 83 per cent of India's total Russian fossil fuel imports, which stood at EUR 5.5 billion in June, making India the second-largest buyer of Russian hydrocarbons after China.The rise in purchases came…