In an election with a surfeit of memorable slogans, Dimple Yadav, 39, has managed to hold her own. "Mere angane mein, tumhara kya kaam hai?" she pronounced, with impeccable timing, as a chide to Prime Minister Narendra Modi: what business do you have in my home? Ms Yadav borrowed the line from the 80s blockbuster movie Lawaaris, starring Amitabh Bachchan.