Watch the making of the upcoming erotic thriller 'Wajah TumThe trailer of actors Rajniesh Duggal, Gurmeet Choudhary, Sharman Joshi and Sana Khan starrer “Wajah Tum Ho” is getting overwhelming response from the film industry as well audience. In the upcoming erotic thriller directed by Vishal Pandya, Sana will be seen sharing some intimate scene with her co-stars. Recently, Sana shared her experience of how difficult it was for the actress to shoot such intimate scene for the film. Now let's check out how Sana prepared for the role.