K Rajan is a Punjabi and devotional singer from Ambala, Haryana, India. Born into a musical family, he is the son of Late Shri Gopal Krishan, a professional singer who deeply influenced his journey. From a young age, Rajan assisted his father in the studio and later received formal training in Indian classical music under Dr. Anil Datta Ji. At sixteen, he gained recognition through the reality show Voice of Punjab and was honored with the title of Ambala Idol in 2006.

After his father’s passing, Rajan continued his musical legacy by performing at devotional gatherings and live events across Haryana and Punjab. He released his romantic Punjabi track “Tere Naal” in 2018, followed by devotional and Sufi songs that strengthened his identity as a versatile artist. Today, K Rajan performs at weddings, jagrans, and cultural programs, known for his soulful voice and classical foundation.