Hina, known for her roles in shows like "Yeh Rishta Kya Kehlata Hai" and "Kasautii Zindagii Kay", wore the glittery grey gown with a moderate trail and a plunging neckline.
She completed the look with her hair tied back, minimal make-up and nude pink lips.
She will also be a speaker at India Pavilion of the 72nd edition of the festival, which will run until May 25.
The talk will be followed by the first look launch event of her film "Lines", which is set in the backdrop of the Kargil War.
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