Now, it is clear that Amitabh Bachchan’s granddaughter’s name is Aaradhya Bachchan. The Bollywood actor posted on his social networking site, Twitter saying, “My granddaughter is called Aaradhya.” He posted this on Twitter putting to rest six months of speculation over the name of Abhishek Bachchan and Aishwarya Rai’s baby girl.