Dum Laga Ke Haisha couple, Ayushmann Khuranna and Bhumi Pednekar is back with another laughter riot with their upcoming film Shubh Mangal Saavdhan. Film is based on the story of couple, where man is dealing with the problem of erectile dysfunction. Watch here the trailer launch Shubh Mangal Saavdhan in the presence of Ayushmann Khurana, Bhumi Pednekar. Find out what they have to say about the film, story and their roles.