The much-awaited PS - 1 or Ponniyin Selvan by director Mani Ratnam has hit screens around the world. The story, adapted from Kalki's best-seller novel Ponniyin Selvan of the fifties tells the story of the Cholas who ran the largest empire in the region then. NDTV's Sam Daniel spoke to actor Sarath Kumar, who dons the role of Periya Pazhuvettaraiyar. Paired with Aishwarya Rai Bachchan, the crown prince says he was uncomfortable initially to what he calls working closely with the former miss world.