Actress Deepika Padukone is glad with the kind of reviews that her recent release Cocktail is getting. She has been appreciated not only by the fans but also by the film world. The actress claims that it is a constant process for her to improve herself. Directed by Homi Adajania and produced by Saif Ali Khan s banner, Illuminati Films, the film also marks the debut of model turned actor Diana Penty. In the movie, Deepika plays Veronica, a modern girl based in London.