How Vidya Balan transformed herself to fierce 'Begum Jaan'
Vidya is portraying the character of a brothel madam, while Ila Arun, Gauahar Khan, Pallavi Sharda, Ridheema Tiwary, Ashish Vidyarthi, Chunky Pandey and Rajit Kapoor are portraying the pivotal roles in the film.