Sangharshana (1983)

Dilip (Chiranjeevi) is educated in United States and returns to India after a long time. His father Janardhan rao runs a factory and wants his son to take over his business. Meanwhile Dilip meets Rekha and they both fall in love with each other. One day, Dilpi realizes that his father is a smuggler, who runs his dark business under the mask of his factory. He senses the danger and refuses to take over his father's position and joins the same factory as a labour. He rises to union leader's position and revolts against his father.