Kuldeep Singh Kang (10 December 1940 – 22 October 2020), better known as K. Deep, was an Indian singer of Punjabi-language folk songs and duets.
His native village is Aitiana in Ludhiana district of Indian Punjab.
[3][4] He met his wife Jagmohan Kaur in a program in Calcutta and they started working together as a Duo.
He recorded his first LP in 1969 by HMV and the song was Nashean Naal Yaari, Roli Main Izzat Sari.
He was the first to sing Shiv Kumar Batalvi's songs which were later sung by many other Punjabi singers including Jagjit Singh, Nusrat Fateh Ali Khan, Ghulam Ali.