Kahan chali gayi hai saali khushi song is from
Dev D (2009) and it is sung by
Amit Trivedi.It stars Abhay Deol, Kalki Koechlin and Mahie Gill in leading roles. This song is penned by
Amitabh Bhattacharya and composed by
Amit Trivedi. It is produced by Ronnie Screwvala. This song was released on 01 Jan 2008.