Balan, 37, is on the post-release promotional spree for her latest movie "Hamari Adhuri Kahani" along with Mahesh Bhatt, who has penned the story of the film.
Bhatt, 66 took to twitter to share Balan's picture attending a call at the 'Women Power Line'.
"Vidya Balan joins hands with our women in UP to amplify its msg - Chupi Todo - Khul ke Bolo!" he wrote.
In the film, Balan dons the role of Vasudha, who faces abuse by her husband but still cannot gather the courage to walk out of the marriage.