 Regarding the criticism that Balan 's character might evoke , Luthria clarified , " I wanted Vidya to know that what she 's doing is not crass or crude but can be shown aesthetically in a sensual manner with a touch of class . What her character does , is not cheap . " As a reference point , he also asked Balan to study ' similar themed ' films such as Burlesque and Chicago . Balan also underwent salsa training to fine @-@ tune herself with Smitha 's languid body language . 
