You must have seen her being smoothened by Saif Ali Khan’s charms in the latest Lays Chips ad. The name is Sonal Chauhan. But why are we talking about her? Well, Chauhan will be making her big screen debut in the most coveted project of Vishesh Films…Raaz 2. “I haven’t signed it as yet. There’s nothing on paper. Talks are going on. Verbally it is more or less confirmed but I really don’t want to comment as of now,” Sonal revealed.