How many movies have K. A. Thangavelu and K. D. Santhanam acted in together?

They have worked on 3 movies together! Their first movie together was Gomathiyin Kaadhalan (1955) while their highest rated movie together was Pasamalar (1961). They have not worked together since Anjal Petti 520 (1969). They are most known for their drama films together.