Ashutosh Ganguly, better known by his stage name Ash King, is a British singer, songwriter and composer. He made his playback singing debut in Rakeysh Omprakash Mehra's Delhi-6. He is a relative of prominent Indian singer Kishore Kumar. He has also sung the song "Carbon Copy" in the movie Drishyam.

Delhi-6 is a 2009 Indian Hindi-language drama film directed by Rakesh Omprakash Mehra. The film stars Abhishek Bachchan as an NRI who arrives in India with his ailing grandmother and begins discovering his roots before getting embroiled in a religious dispute involving a mysterious monkey-like attacker. The film co-stars Sonam Kapoor, Aditi Rao Hydari, Rishi Kapoor, Supriya Pathak, Atul Kulkarni, Pavan Malhotra, Deepak Dobriyal, Divya Dutta, Vijay Raaz and Om Puri. It marks the Hindi film debut of Rao Hydari. The number 6 refers to the Postal Index Number (PIN) of the Chandni Chowk area of Old Delhi, a shortened form of 110006. It is Mehra's third film after Aks (2001) and Rang De Basanti (2006). The film's soundtrack, composed by A. R. Rahman, was a commercial success and received positive reviews from music critics upon release.