While shooting for an ad campaign on one of Mumbai's BEST buses, actress Deepika Padukone spoke about travelling in local buses and fashion disasters.Question: So a bus is not a place where one would normally bump into you?Deepika Padukone: Well no. Even when I was in college I used to walk to college I never took a bus to college. So it's fun because there are so many people with me and now I'm actually experiencing travelling by bus.Question: Was the part where you had to blow a bubble gum, t