Actress Amrin Qureshi shared that she experienced "fan craze" for Mithun Chakraborty for the first time when she shot for 'Bad Boy' in Russia. "I thought Indians being a fan of Mithun Chakraborty was fine. But didn't expect foreigners to be such huge fans of Mithun sir," she said. "I was shocked...surprised...it was heartwarming to see," she added.