The U.S. Office of Foreign Assets Control has added four Indian companies to its latest list of entities sanctioned for their involvement in the international trade of Iranian crude oil. The companies are Austinship Management Pvt Ltd, BSM Marine LLP, Cosmos Lines Inc, and Flux Maritime LLP. The designation of the four entities was part of the latest sanction sweep against Iran’s so-called shadow fleet that the country uses to sell its oil abroad. In that latest sweep, the U.S. sanctioned more than 30 individuals and vessels for their involvement…