Twinkle Khanna, columnist and writer, and Akshay Kumar's wife, is producing Padman, as a first venture of her new production house. It is based on the true story of Arunachalam Muruganantham, a man who has revolutionised the stigma teenage girls and women have to go through during the menstruation period. Shoma Chatterji reports on the celluloid versions of the man every woman adores more