Bob Biswas movie review: Abhishek Bachchan starrer makes us root for the origin of an idiosyncratic contract killer

Bob Biswas is set prior to the events of Kahaani, with Abhishek Bachchan, who steps into the role's full-fledged extension, waking up from a coma after eight years, with no recollection of his life, the family thrust upon him, or the shady characters hounding him to remind him of his murderous past.