#6.Amitabh Bachchan: Megastar Amitabh Bachchan has been ranked number one on Twitter, in terms of both popularity and activity. He has 12 million followers. From the game show that he hosted, Kaun Banega Crorepati, till now he keeps his fans glued when he posts his look and his one liners on his upcoming Piku and Shamitabh.