How many movies have Gautham Karthik and K. E. Gnanavelraja collaborated on?

They have worked on 4 movies together! Their first movie together was Hara Hara Mahadevaki (2017) while their highest rated movie together was Pathu Thala (2023). They have not worked together since Pathu Thala (2023). They are most known for their drama films together.