Bollywood star Varun Dhawan has become the face of an anti-smoking campaign and do not be surprised, he is not a smoker. He has joined hands with the Indian Cancer Society to convey a simple message to non smokers Do not start.To not fall into the temptation of the butt and stay away from it is the best trick. Cause once into the addiction, it needs tremendous willpower to break the habit which is a tough task.