How many movies have Kota Srinivasa Rao and Kotagiri Venkateswara Rao collaborated on?

They have worked on 15 movies together! Their first movie together was Sundara Kanda (1992) while their highest rated movie together was Balakrishnudu (2017). They have not worked together since Aaradugula Bullet (2021). They are most known for their action films together.