Bob Biswas is a 2021 Indian Hindi-language action thriller film directed by debutante Diya Annapurna Ghosh. A spin-off to the 2012 thriller Kahaani, it stars Abhishek Bachchan as the titular character (played by Saswata Chatterjee in the original) and premiered on ZEE5 on 3 December 2021. The film received mixed reviews from the critics. ()