Megastar Amitabh Bachchan has revealed that he is still suffering from extreme pain after undergoing an abdominal surgery.

"The morning has been nightmarish. There has been incredible pain in the region of the surgery, and the spasms so acute that they brought me to the level of a scream ufffd which is saying a lot, for, my resistance to pain has been quite satisfactory in the past," Amitabh wrote on his bigb.bigadda.com Monday night.