The Yellow Robes (1967)

Cyril is dissatisfied with his introverted fiancée Sujatha. He starts a relationship with the more out-going Sarojini and gets her pregnant. Sujatha meanwhile is fascinated by a wandering Buddhist nun. Due to the pregnancy, Cyril breaks off the engagement having no intention to marry Sarojini. Till the birth of the child he supports her and then leaves her for an older rich woman. Sarojini is distraught and contemplates suicide. Sujatha by this time is planning to become a nun.