Career
He is best known for his duets with Bibi Harneet, Narinder Biba, Gulshan Komal, Kuldeep Kaur, Parminder Sandhu, Ranjit Kaur, Sukhwant Sukhi, Surinder Kaur, Swaran Lata and many more. He was cremated at his village of Jamalpur in Ludhiana district. After partition of Punjab, his village was gone in West Punjab (Pakistani Punjab) and his family migrated to Indian Punjab and settled at Jamalpur Awana village that now falls under the Ludhiana district.
Later, along with singer Didar Sandhu, he worked in Punjab Police Relations for one and half-year.
Karnail Singh learned music from noted Punjabi singer Harcharan Grewal, Shaukin Jatt, Master Beer Chand and Jaswant Bhanwra and recorded his first song, "laddooan ne toon patt "ti, teri tor patte patwari", written by Hardev Dilgir (also known as Development Tharike Wala).