New Delhi, Nov 6 (ANI): Bollywood’s glam doll Kangna Ranaut was in the national capital New Delhi to promote her upcoming flick “Rajjo”. Speaking exclusively to ANI Kangna described the story line of the film. Kangna who is known for taking up challenging roles even added that Rajjo was a difficult role to play. Directed by Vishwas Patil, Rajjo is a musical love story of a Nautch girl in the most extraordinary circumstances and is set to hit the theaters on 15th November.