By Krishna N. Das NEW DELHI (Reuters) – The United States will not set any “red line” for India on its energy imports from Russia but does not want to see a “rapid acceleration” in purchases, a top U.S. official said on Thursday during a visit to New Delhi. Lured by steep discounts following Western sanctions on Russian entities, India has bought at least 13 million barrels of Russian crude oil since the country invaded Ukraine in late February. That compared with some 16 million barrels for the whole of last year, data compiled by Reuters shows. “Friends don’t set red lines,” Daleep Singh, U….