How many movies have Gopi Kannadasan and Subaskaran Allirajah collaborated on?

They have worked on 4 movies together! Their first movie together was Kaththi (2014) while their highest rated movie together was Ponniyin Selvan: Part I (2022). They have not worked together since Ponniyin Selvan: Part II (2023). They are most known for their action films together.