Shruti Haasan is learning sword-fighting in London for the role of a warrior princess she’s playing in Sundar C’s magnum opus, Sangamithra. According to sources, she has now perfected the basics. The actress is excited about her part as she hasn’t attempted something like this before. The period film also stars Jayam Ravi and Arya in lead roles and will be shot in Tamil and Telugu. Being bankrolled by Sri Thenandal Films, the film will have music by A.R. Rahman.