Muqaddar Ka Sikandar (1978)

When homeless orphan Sikandar (Amitabh Bachchan) becomes a servant to a wealthy family, he falls in love with the daughter, Kamna Ramnath (Rakhee). But Sikandar's love is doomed; class differences make it impossible, and Kamna's father soon accuses Sikandar of stealing and throws him out. Sikandar grows up to be a wealthy and respected man, but his love for Kamna doesn't die and continues to cause confusion and heartache in his adult life.