Dinanath (Ashok Kumar) is a labourer, who has determined to educate his son Kishore (Satyendra Kapoor) and make him a doctor and marry Kishore with his friend's Shanu (Indrani Mukherjee) as promised to his friend on the death-bed. Kishore promises to marry Shanu and makes her pregnant. But unfortunately, he has other plans of making quick money. Kishore marries Lata (Bindu) who is very rich and leaves his parents to utter neglect. Soon Shanu gives birth to a girl, while Geeta gives birth to a boy, Ravi (Jeetendra). Dinanath becomes blind his wife Tulsi (Nirupa Roy) works as a housemaid in her son's house only without giving her identity. Ravi grows up in her hands, develops lot of affection on Dinanath, Tulsi and Parvati. After 20 years Tulsi reveals the truth on her death bed, Kishore does not attend to her funeral, because of his status in the society and Dinanath also dies in car accident. Now Ravi decides to teach his parents a lesson for ill-treating his grandparents with the ...