Bol Bachchan little too heavily inspired by the 1979 Amol Palekar-starrer Golmaal. First of all if you are expecting Amitabh Bachchan in it then you'll be disappointed because he is only present in the one song.
Bol Bachchan takes the idea of double identity and gives it a new age look.Abbas ali played by Abhishek Bachchan accidentally falls to an situation which makes him lie about his name. From there starts the unending situation of lies leads to another and that to another till the whole story becomes one big comedy of errors. Abbas calls himself Abhishek Bachchan on being caught he makes up a story of a brother from another mother.His gay act comes across as completely over the top.
Prithviraj played by Ajay Devgan. Ajay Devgn's character who is so in to the English language that despite not knowing the language he prefers talking only in it.He is head of a village & also a wrestler. He hates the people who lie to him but as the situations in the movie all are making lies to him. The character played by him is so natural that one thinks that it was made for him.
Asin and Prachi the female leads of the film has nothing much to do in the movie except being the source of song and dance sequences. Archana Puran Singh on the other hand is the only female character in the movie who gives the humour quotient.