He made his film debut in 2000's with the role of Sooraj, one of the students, in Mohanlal starrer Life is Beautiful.
After several years, He made his comeback to the film field in 2004 with Jayaraj directed 4 the People.
He completed his higher education from St. Paul's College, Kalamassery.Later he chose to be an actor and moved to film field.
[citation needed] Arun made his film debut in 2000 with Life Is Beautiful, directed by Fazil.
He also had notable roles in the films Quotation and Amritham released in the same year.