How many movies have Antony L. Ruben and Kalanithi Maran collaborated on?

They have worked on 4 movies together! Their first movie together was Kanchana 3 (2019) while their highest rated movie together was Etharkkum Thunindhavan (2022). They have not worked together since Etharkkum Thunindhavan (2022). They are most known for their action films together.