Ayushmann Khurrana had some tough time recently, while shooting for is upcoming film, 'Dam Laga Ke Haisha'. One specific scene required the actor to smoke in front of the camera as he has several such sequences in the film. According to sources, the actor first requested the director to change the scene. But since it was an important sequence, Ayushmann had to learn smoking. After a bit of practice and coughing, the actor effortlessly shot for the scenes. This is for the very first time that the actor handled a cigarette, in front of the camera and off it too.