Amitabh Bachchan marked Abhishek Bachchan’s 49th birthday with a heartfelt blog post, reminiscing about the day his son was born. Amitabh Bachchan a Special Throwback Moment On Wednesday, Amitabh Bachchan took to his blog to… Amitabh Bachchan Shares a Rare Throwback Photo from Abhishek Bachchan’s Birth: Time Flies So Fast