The song features Ayushmann along with Huma Qureshi, and symbolises love, heartbreak and togetherness.
Bhushan Kumar unveiled the video of Mitti Di Khushboo at Mumbai's PVR theatre in suburban Juhu recently.
Ayushmann has earlier sung in his films like Pani Da Rang (Vicky Donor) and Tu Hi Tu, Saddi Gali (Nautanki Saala!). All songs have been composed by Kohli.
He has also sung Khaamakhaan from Bewakoofiyaan along with Neeti Mohan. It was composed by Raghu Dixit.
PIX: Beautiful Moments from Amitabh Bachchan's life
HOTTEST styles of TV stars to amp up your Diwali outfit!
3 Ways To Be A Super Spy!
PIX: Shah Rukh and Gauri Khan's kids, over the years
S D Burman's proudest moment