How many movies have Kamalakara Kameshwara Rao and Mikkilineni collaborated on?

They have worked on 4 movies together! Their first movie together was Mahamantri Thimmarusu (1962) while their highest rated movie together was Narthanasala (1963). They have not worked together since Sri Krishnavataram (1967). They are most known for their history films together.