A new song titled 'Teri Khair Mangdi' from the Sidharth Malhotra and Katrina Kaif starrer 'Baar Baar Dekho' has been released. The song, featuring Sidharth and Katrina, has been composed and sung by Bilal Saeed. The lyrics have been penned by Kumaar. Directed by debutante director Nitya Mehra, 'Baar Baar Dekho' will release on September 9.