How many movies have K. A. Thangavelu and M. Bhanumathi acted in together?

They have worked on 3 movies together! Their first movie together was Thillana Mohanambal (1968) while their highest rated movie together was Vietnam Veedu (1970). They have not worked together since Avan Oru Sarithiram (1977). They are most known for their drama films together.