When Abhishek Bachan goes to invite Om Puri for Jagran, the particles of blended cotton sticks to his clothes, but when he is about to leave all the particles disappear.
In the scene where Dadi first discloses that she wants to return to America, Rama is shown putting her head on Rajjo Bhabhi's shoulder. In the next scene, her head is up again, and you can notice her easing her head back onto Rajjo's shoulder.
The movie is set in 2001 but there are scenes showing rehearsals for Indian Idol which did not begin until 2004.
The Monkey-Man incident occurred in Delhi in 2001, while the Delhi metro rail began in 2002.