How many movies have A. Karunanidhi and T. P. Muthulakshmi acted in together?

They have worked on 7 movies together! Their first movie together was Manthiri Kumari (1950) while their highest rated movie together was Kappalottiya Thamizhan (1961). They have not worked together since Iruvar Ullam (1963). They are most known for their drama films together.