Abhishek Bachchan shared this image (Image courtesy: bachchan)HighlightsAbhishek Bachchan talks about his transformation journey "A part of the character always stays on with you,"said Abhishek Bachchan "Bob Biswas" will premiere on December 3, 2021 on Zee 5New Delhi: Abhishek Bachchan will portray the character of 'Bob Biswas' in Sujoy Ghosh's next film of the same name. Putting on weight was a tough experience for Abhishek Bachchan.