Filmmaker Kabir Khan???s next Tubelight starring superstar Salman Khan will have elements of comedy and drama with politics as its backdrop. ???It is about a personal issue. Can???t talk about what exactly right now. Needless to say my films always have a political backdrop to them because thats what excites me and I find real. So ???Tubelight??? also has a little political backdrop,??? Kabir told a news portal.