How many movies have K Raghavendra Rao and Kotagiri Venkateswara Rao collaborated on?

They have worked on 18 movies together! Their first movie together was Adavi Ramudu (1977) while their highest rated movie together was Bāhubali 2: The Conclusion (2017). They have not worked together since Bāhubali 2: The Conclusion (2017). They are most known for their drama films together.