All but two Indian refiners have skipped placing orders for Russian crude for December after the U.S. sanctioned Russia’s top oil producers, Rosneft and Lukoil, sources with knowledge of the purchases told Bloomberg on Tuesday. India’s refiners, which have come to rely on cheap Russian crude in the past three years, have withdrawn from the December purchasing window which typically closes by November 10. Five large refiners, including state-owned Bharat Petroleum Corporation Limited (BPCL), Hindustan Petroleum…