Question: Dostana ("Friendship") is a 2008 Indian romantic comedy film directed by Tarun Mansukhani, the film stars who, which Indian film actor, producer and playback singer known for his works in Bollywood and Bengali cinema?
Sentence (from "Dostana (2008 film)"): Dostana ("Friendship") is a 2008 Indian romantic comedy film directed by Tarun Mansukhani and produced by Karan Johar and Hiroo Yash Johar.
Relevant evidence: No