Diana Mariam Kurian (born on 18 November 1984), best known by her stage name Nayantara (Malayalam), is an Indian film actress, who has appeared in Kannada, Malayalam, Telugu and Tamil films. After several commercial successes such asChandramukhi, Ghajini, Billa and Yaaradi Nee Mohini, she has established herself as one of the leading contemporary actresses in Tamil cinema