Mumbai Matinee (2003)

Debu Chatterjee is in his 30s, and is chided by everyone he knows as a "virgin". Tired of being stereotyped in this manner, he confides in Baba Hindustani, and Pyarelal about his predicament, and they offer to help him out, with hilarious results. Then one day, while watching a movie in a theater, Debu is shocked to see himself in an adult sex film, and this changes everything all around him, as people look at him differently than they did when they knew him to be a virgin. A stunned and perplexed Debu sets out to find out as to how he came to be caste in this movie.