Megastar Amitabh Bachchan had hinted about a surgery The actor had posted that he won't be able to write much due to his health issues He has dropped a fresh message thanking his fans for wishes MUMBAI: Megastar Amitabh Bachchan on Monday expressed gratitude to fans for their wishes, a day after the actor shared that he has a "medical condition" for which he needed to undergo a surgery. It is unclear if the medical procedure is complete. The 78-year-old actor wrote on his personal blog, "My gratitude and love for the concern and the wishes." He also took to Twitter and posted namaste emoticons as a gesture of thanking his fans.