Veteran actress and BJP Lok Sabha member Hema Malini has lauded the trailer of the upcoming film "Sanam Teri Kasam", which is co-directed by Radhika Rao and Vinay Sapru.The 67-year-old Bharatanatyam dancer says the upcoming romantic film "appears to be a film with a difference"."Watched trailer of 'Sanam Teri Kasam' produced by Deepak Mukut. Appears to be a film with a difference," the "Dream Girl" actress tweeted on Monday."Sanam Teri Kasam" stars Telugu actor Harshvardhan Rane and Pakistani actress Mawra Hocane. The film marks the Bollywood debut for both the fresh faces.The "Satte Pe Satta" actress praised the "promising" actors and said that they look "enthusiastic and totally into their roles"."The film has a cast of very promising newcomers who look enthusiastic and totally into their roles. Hope the film turns out as good as the trailer," she wrote.The film is slated to hit the screens next year.