Vidya balan best thi thalavi  ke role me..... Pr chutiye director  ko casting krne ni aayi  aur  us pagli  kangana  ko liya , Jab  hum kisi  ki biopic bnate  hai to sabse pahle  unke jaisa dikhne  wale  ya kuch to match ho 10% to bhi us hisab se cast krna chaeye ,  jaise ki sanju  movie me ranbeer  ko kiya gya...