How many movies have K. Shankar and Thengai Srinivasan collaborated on?

They have worked on 7 movies together! Their first movie together was Uzhaikkum Karangal (1976) while their highest rated movie together was Indru Pol Endrum Vaazhga (1977). They have not worked together since Ezhudhaadha Sattangal (1984). They are most known for their drama films together.