Kaun Banega Crorepati 12: Amitabh Bachchan assures 'concerned' fans about safety measures on set; shares photos

There's no stopping Amitabh Bachchan, the host of Kaun Banega Crorepati 12. The Bollywood megastar has begun shooting for the show and in his latest tweet assured 'concerned' fans that they are taking every care to be safe on set.