How many movies have C. R. Vijayakumari and M. S. Viswanathan collaborated on?

They have worked on 12 movies together! Their first movie together was Paadha Kaanikkai (1962) while their highest rated movie together was Paar Magale Paar (1963). They have not worked together since Chitra Pournami (1976). They are most known for their drama films together.