How many movies have M. R. Santhanam and W. R. Subba Rao collaborated on?

They have worked on 3 movies together! Their first movie together was Rani (1952) while their highest rated movie together was Kappalottiya Thamizhan (1961). They have not worked together since Kappalottiya Thamizhan (1961). They are most known for their drama films together.