Challo Driver is a movie that stars Prem Chopra as the Hero's Grandfather. He (Prem) wants someone to come in his grandchild's life who would change his life completely. Hero is very strict by nature and changes his driver 5 times a month. So by his this behaviour Prem becomes upset. But suddenly a female driver comes into his life and whole story changes respectively. At last Hero marries the female driver and story ends successfully.Wikipedia