The star said that her lack of concern was down to being in the "trusted hands" of director Milan Luthria.
According to IANS, Balan told reporters: "I have never enjoyed being a woman more than I did while shooting for The Dirty Picture. I wasn't uncomfortable doing bold scenes because I knew I was in trusted hands."
Balan portrays the rise and fall of South Indian screen siren Silk Smitha in a film which also stars Tusshar Kapoor, Emraan Hashmi and Naseeruddin Shah.
Speaking at the theatrical launch of the film, the actress said: "I have worked with Naseer before but this time it was easier… I was less nervous this time."
On working with Hashmi, with whom she has an intimate scene, she said: "I was wondering how it would be with Emraan, but it was fun."
The project has been made by the same team behind the 2010 release Once Upon A Time In Mumbai.
The Dirty Picture releases on December 2.
