How many movies have Santhi Narayanasamy and Thengai Srinivasan collaborated on?

They have worked on 3 movies together! Their first movie together was Annan Oru Koyil (1977) while their highest rated movie together was Thirisoolam (1979). They have not worked together since Ratha Paasam (1980). They are most known for their drama films together.