KK belongs to a Malayali family. His father’s name is C.S Nair and his mother is Kunnath Kanakavali. He got married to his childhood sweetheart, Jyothy in 1991.
The couple has a son named Nakul Krishna Kunnath, who is a singer and a daughter, Tamara Kunnath.
There isn’t much information about his wife because she loves to keep her personal life away from the media.
However, KK is famous as an Indian playback singer. On August 29, 2015, KK appeared in the television singing reality show, Indian Idol Junior season 2 to cheer up the emerging singer of India where he performed Khuda Jaane, and many others.
After graduating from Kirori Mal College, Delhi University in commerce, KK had a brief stint of six months as a marketing executive. After a few years, in 1994, he moved to Mumbai.
After 10 years, he appeared in a singing reality show as a judge and guest jury member.