How many movies have Devadasu Kanakala and K. Viswanath collaborated on?

They have worked on 3 movies together! Their first movie together was Kalam Marindi (1972) while their highest rated movie together was Siri Siri Muvva (1976). They have not worked together since Siri Siri Muvva (1976). They are most known for their drama films together.