"Padman" is based on life of Arunachalam Muruganantham, who invented first low-cost sanitary napkins in the country.
"It (shoot) is going very well and Mr Muruganantham was also there. It's a wonderful project. It's a film which will bring awareness about something which has so far been cloaked and shamed and I am very happy to be a part of the film," Twinkle told reporters here at an event.
"Padman" stars Akshay Kumar as Murugunathan, while Radhika Apte plays his wife in the movie.
Twinkle was talking on the sidelines of launch of French Browns, by L'Oreal Professional.
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