Bollywood actor Emraan Hashmi, who will be seen sharing screen space with megastar Amitabh Bachchan for the first time in the upcoming film `Chehre`, opened up about working with the veteran actor.

Emraan, who seems thrilled about his collaboration with Big B, said that he has "achieved a huge milestone" in his career by working with the veteran star. He also called Big B "a tutor and a friend".