Dhamu (born Tamarai Bharani) was a part of Gaana Galata Group a popular touring and acting comedy troupe. He was first spotted by assistant director Sukumaran in 1991 and made his debut in Tamil Film Malar starring young actor Prashant-playing the role of the annoying and self-proclaimed comical rowdy of the district. He got his major break as 'Jeans Sivam' in 1992's – Naalaiya Theerpu – starring Joseph Vijay.
Since then he has appeared in several films in important roles such as Baasha, Parthen Rasithen, Kadhalukku Mariyadhai, Thulladha Manamum Thullum, Ullam Kollai Poguthae, Manathai Thirudi Vittai and Ghilli. He has quit mainstream acting and has opened an agency to represent comedy shows known as 'Tamarai Bharani Comedy Agency'. He is also hosting Kalakkal Comedy on Sun TV.
He currently serves as a Student Trainer in Lead India 2020 National Movement, Latest he has attended an orientation for class 10, 11, 12 in Sagar international school, Perundurai, Tamil Nadu.