M. Jayachandran was born in Thiruvananthapuram in Kerala, India. He had completed electrical engineering graduation from T.K.M. College of Engineering, Kollam. Jayachandran began learning Carnatic music at the age of 5. He was selected continuously four times, from 1987 to 1990, as the best singer in Carnatic music at the Kerala University youth festivals. He began his career in the film industry as a playback singer for the movie Vasudha in 1992, then became an assistant to Malayalam music director G. Devarajan. In 1995 he became a music director himself'; his debut movie was Chantha, directed by Sunil in 1995.