Mumbai (Maharashtra) [India], January 25 (ANI): After producer Manish Shah revealed that Kartik Aaryan threatened to walk out of 'Shehzada', a Hindi remake of the Allu Arjun-starrer 'Ala Vaikunthapurramuloo', makers of the upcoming movie have come out in support of the actor, saying he is a "thorough professional."
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