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

They have worked on 13 movies together! Their first movie together was Thirumbi Paar (1953) while their highest rated movie together was Vanjikottai Valiban (1958). They have not worked together since Harichandra (1968). They are most known for their drama films together.