In omkara, she could hav pull tht character very easily, as her charactr ws naive and submissive. But she only got the naivity of her character right, not being submissive.
Vishal could have done a better job in sketching her character, instead of just putting just glycerine and making tht performance the only worthy acting to fetch her critcs award.
Only in chameli, did kareena get into the character but otherwise all movies including dev,omkara ws just ordinary.