Arshad Warsi was upset about how his role turned out at the end of the film. He had decided not to do part 3. Eventually Rohit Shetty was able to smooth things out.

Remake of Aaj Ki Tazaa Khabhar.

Daddy Yankee Ft. Fergie - Impacto was sampled for the song Tha Kar Ke.

Gopal (Ajay Devgn) used his film names in his career in the dialogues like Masti, Pyaar To Hona Hi Tha, Golmaal, Dil Kya Kare.

Gopal gets a tattoo on his hand in Hindi. It's spelling is wrong,it is spelled as Aikta,whereas it should be Ekta

Director of the film, Rohit Shetty appears at the end when Tusshar Kapoor talks about how he will appear in next film as well.

Writer Robin Bhatt, half brother of Mahesh Bhatt ,appears as a neighbour fat uncle who often catches Ajay Devgan in wrong time.

Kareena and Amrita are best friends in real life. They shared one room in Goa,during the shoot,much to the delight of producers ,saving budget money.