The 69-year-old, who underwent two abdominal surgeries last month, will host the ceremony in Chennai.
"Asia Cup over soon and then IPL …opening extravaganza in Chennai .. and yours truly a small part of it …nervous as hell. April 3 is the day for the opening, preparing for it already…getting back into the grind," he tweeted.
"And yes the show will be on Sony…meeting all the Captains and teams will be such an honour ..seen all of them on TV, now personally," he added.
Season 5 of the IPL will feature 76 matches, over a period of 54 days in the month of April and may. Total of nine teams are participating in the cricket league.
"Mr. Bachchan will play a part in IPL opening ceremony," BCCI vice president Niranjan Shah told IANS. He, however, he refused to give any details.