Nana Mama (2006)

Nana is a taxi driver, who lives with his aunt. Mama, an extremely clumsy inspector who cannot catch a single criminal, lives with his uncle Hambir. In order to save his job, Mama must catch DD, a notorious don. One fateful day, Mama almost catches DD. Unfortunately, Nana, who happens to be nearby, accidentally helps DD run from the police, making Mama think that Nana is the real don. Meanwhile, grateful for the favor, DD has befriended Nana, almost forcing him to join his gang. The rest is a hilarious story of cops and robbers.