How many movies have Gemini Ganesan and Tatineni Prakash Rao collaborated on?

They have worked on 4 movies together! Their first movie together was Matharkula Manikkam (1956) while their highest rated movie together was Kaathiruntha Kangal (1962). They have not worked together since Kaathiruntha Kangal (1962). They are most known for their drama films together.