Madhan also ventured into different career paths including serving as a medical representative and then serving in as a sales officer for a reasonable stint. He later quit his job as a sales officer in order to embark on opportunities in music arena. He also crossed paths meeting veteran musicians S Ramanathan, Harihara Sharma and ‘Vikku’ Vinayakaram from whom he gained mentorship and guidance in order to learn the techniques of western classical and carnatic music. Madhan had spent devoted majority of his time committing himself to broadcast music shows, songs for advertisements, dramas, radio commercials and serials. It is also believed that by the time
Doordarshan had commenced its operations in
Chennai in 1975, he became the first individual to play guitar on the channel. He also once served as a mentor to esteemed renowned musician
A. R. Rahman, which was also confirmed by the latter himself during the music composition and audio launch of the film
Thenali (2000). He later pursued his career in acting, mainly in supporting roles and Madhan was a part of consecutive silver jubilee movies and hence he was nicknamed ‘sentiment artist' by the Tamil film fraternity. ==Illness and death==