How many movies have Dr. Rajkumar and P. Vadiraj collaborated on?

They have worked on 3 movies together! Their first movie together was Nanda Deepa (1963) while their highest rated movie together was Naa Ninna Mareyalare (1976). They have not worked together since Naa Ninna Mareyalare (1976). They are most known for their romance films together.