'Dil Diyan Gallan', the new song from the Salman Khan and Katrina Kaif starrer 'Tiger Zinda Hai', has been released. It has been composed by music composer duo Vishal and Shekhar, with vocals by Atif Aslam while Irshad Kamil has penned the song's lyrics. Directed by Ali Abbas Zafar, the film will release on December 22.