Naughty Boy is a 1962 Indian romantic comedy film, starring Kishore Kumar and Kalpana Mohan.

However, director Samanta replaced Madhubala with Mohan due to her illness and poor health condition.

On a rainy day when Pritam goes to buy milk, he runs into a beautiful girl, Neena Sharma, their umbrellas get entangled, and when freed get interchanged.

He goes to look for her house and finds she lives with her maternal uncle, a music maestro of sorts, and Pritam enrolls himself in his class.

When Neena's sister is about to get married, she travels to Poona and that's when Pritam finds out that her train had an accident and she has been listed as one of the dead.