How many movies have Kunnakudi Vaidhyanathan and W. R. Subba Rao collaborated on?

They have worked on 3 movies together! Their first movie together was Thirumalai Thenkumari (1970) while their highest rated movie together was Rajaraja Cholan (1973). They have not worked together since Karaikkal Ammaiyar (1973). They are most known for their history films together.