Bollywood legend Amitabh Bachchan is in stable condition and responding to treatment, officials at a Mumbai hospital said Sunday, a day after he was hospitalized with acute abdominal pain.Tests on Bachchan were clear and he could be discharged in a few days, Lilavati hospital spokesman Mohan Rajan said."The medication has worked on him and doctors are pleased with his recovery. He had a restful night," Rajan said.Bachchan, India's best-known actor, turned 66 on Saturday.Affectionately