'Dariya', the new song from the Sidharth Malhotra and Katrina Kaif starrer 'Baar Baar Dekho' has been released. Described as a love ballad in the style of Punjabi folk songs, the song has been composed, sung and written by Arko Pravo Mukherjee. Directed by Nitya Mehra, the film is scheduled to release on September 9.