Bheja Fry (2007)

"Ranjit, who makes fun of idiots, gets completely annoyed when he invites a tax inspector and a singer to his house."

Ranjeet Thadani is a bored and arrogant music producer who along with his friends hosts a party every Friday where they invite an 'idiot' to ridicule them and have fun at their expense. One day, he invites Bharat Bhushan, a kind hearted yet annoying Income Tax inspector, who ends up messing things for people when he tries to help them who makes Ranjeet regret inviting him.