Vidya Balan wishes to spy on `mysterious` Amitabh Bachchan

Dubai: Vidya Balan has revealed that she would like to spy on Amitabh Bachchan to appease her natural curiosity about him. The `Dirty Picture` actress said that though the `Don` star`s mannerism is familiar to all, there is a "strong aura of mystery" around him and she would like to know more about his "private mode", suggest reports. While promoting her upcoming detective comedy flick ` Bobby Jasoos` in Dubai, the National Film Award winner admitted that there are things about the ` Sholay ` star that she has always wondered about and would love to know more about him. The film is set to release in July.