How many movies have K. J. Yesudas and S.P. Sailaja collaborated on?

They have worked on 5 movies together! Their first movie together was Kaaliya Mardhanam (1982) while their highest rated movie together was Naalai Unathu Naal (1984). They have not worked together since Yoddha (1992). They are most known for their drama films together.