Arul Dev was born in Madurai, Tamil Nadu, India. He works as a music director, playback singer and scores background music for Tamil, Malayalam, Telugu and Kannada film industry. He knows keyboard, piano and mirudangam instruments to play. He is active from 2000 in Tamil film industry.
Arul Dev's father was an accordion player and orchestra organizer. Working with his father music became a natural passion for Arul Dev.
In 2000, he shifted to Chennai and started working under music director Vidyasagar. His first work in film industry was for Malayalam movies "Dreamz" and "Madhuranombarakattu". He then worked of Tamil movies like Dhil, Vedam, Poovellam Un Vaasam, Run, Dhool, Ghilli, Chandramukhi, Mozhi, Peranmai. He has also worked in English movie "Beyond the Soul".
Arul's first full-fledged movie was "Potta Potti" Tamil film in 2010. Later he composed music for "Nagarpuram", "Pattaya Kelappanum Pandiya", Poovarasam Pee Pee", "Kaththukkutti" etc.