Answer
Chachi 420, released in 1997, starred Om Puri alongside Kamal Haasan and Tabu. The film follows the story of an unemployed man who disguises himself as a nanny to get a job in a wealthy household. Puri plays the role of Kamal Haasan's friend and confidant, who helps him with his plan. The film was a critical and commercial success, and Puri's performance was praised for its humor and warmth.