How many movies have I. S. R. and Manorama acted in together?

They have worked on 3 movies together! Their first movie together was Annai Velankanni (1971) while their highest rated movie together was Velum Mayilum Thunai (1979). They have not worked together since Velum Mayilum Thunai (1979). They are most known for their drama films together.