How many movies have K. Viswanath and Sobhan Babu collaborated on?

They have worked on 6 movies together! Their first movie together was Chaduvukunna Ammayilu (1963) while their highest rated movie together was Nindu Hrudayalu (1969). They have not worked together since Jeevana Jyothi (1975). They are most known for their drama films together.