The film is Chalti Ka Naam Gaadi, starring Kishore Kumar and his brothers Anoop Kumar and Ashok Kumar, along with Madhubala.
Kishore Kumar wanted to avoid paying huge income tax and therefore had to show losses to the tax authorities.
He released it with a Bengali film and was sure that the film will be a commercial disaster but the film turned out to be the second highest grosser of that year. It is one of the finest comedy film with chartbuster music. All the songs are popular even after 6 decades. Songs include Haal kaisa hai janab ka,
Ik ladki bheegi bhaagi si, Paanch rupaya barah aana, hum they woh thi aur sama rangeen and the title song are an eternal part of the Golden Era of Bollywood.
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