Katrina Kaif's sister Isabelle Kaif to romance with Aayush Sharma in Kwatha. Katrina Kaif’s sister Isabelle Kaif is all set to make her debut in Bollywood and in her first film she will be starring alongside Aayush Sharma. Titled Kwatha, the film is being directed by Karan Lalit Butani and will be an adventure film based on true incidences of the Indian Army. Watch this video to know more!!!!

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