How many movies have Mada Venkateswara Rao and N.T. Rama Rao acted in together?

They have worked on 3 movies together! Their first movie together was Thathamma Kala (1974) while their highest rated movie together was Srimadhvirata Parvamu (1979). They have not worked together since Srimadhvirata Parvamu (1979). They are most known for their drama films together.