Mumbai: Amitabh Bachchan seems to be a strong man both mentally and physically. After the fourth time facing a surgery, Big B is doing fine now. He was operated for a Hernia surgery recently. The operation took place in the Seven Hills hospital in Marol on Saturday. The news reflected from the tweet of Amitabh’s son Abhishek Bachchan and was later confirmed by the star himself in the micro blogging site.