Russian crude has accounted for a very small portion of supply for Indian state-run refiner Hindustan Petroleum Corporation Limited (HPCL) as oil from Russia has not been economical to run at the refinery, HPCL chairman Vikas Kaushal said on the company’s earnings call. The call took place as Indian refiners are scrambling this week for alternative supply after the U.S. sanctions on Russia’s major oil firms. Russian crude has not been economical for HPCL regardless of grades, the executive said. Therefore, of all the crude…