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The 2004 Hindi movie "Kyun! Ho Gaya Na.." marked Kajol's debut as an actress. This romantic comedy follows Kajol's character as she navigates the complexities of love, friendship, and family while juggling her career aspirations in the fashion industry. The movie, directed by Sangeeth Sivan, also features Aamir Khan, Vivek Oberoi, and Rati Agnihotri in pivotal roles.