He became known for the action drama Thee Nagar (2007), and has gone on to make feature films including Agam Puram (2010) and Kasethan Kadavulada (2011).
Thirumalai made his directorial debut through Thee Nagar (2007), an action drama starring Karan in the lead role.
[6] In February 2010, he began working on a project titled Maan Vettai starring Seeman, the son of a DMK politician.
[8] In the early 2010s, he also worked on the comedy drama Kasethan Kadavulada (2011) starring Charan and Kamna Jethmalani in the lead roles, and an unreleased project titled Malaysia Nanban, where he played the lead role.
[11][12] In October 2022, he started work on a new film starring Nakul, Natty and Srikanth in the lead roles.