How many movies have M. G. Ramachandran and T. R. Sundaram collaborated on?

They have worked on 3 movies together! Their first movie together was Manthiri Kumari (1950) while their highest rated movie together was Alibabavum 40 Thirudargalum (1956). They have not worked together since Rajarajan (1957). They are most known for their drama films together.