The film was later remade in Telugu as Sivamettina Satyam (1980), in Tamil as Vishwaroopam (1980) and in Malayalam as Aayudham (1982).

[4][5] Dharam Chand or Dharma (Amitabh Bachchan), an amiable village farmer is thrilled when his wife, Radha (Waheeda Rehman) gives birth to a baby boy, whom they decide to name Raju.

When the village experiences an economic crisis and drought, the family migrates to Bombay, where Ajit makes Dharma the manager of his warehouse in the city.

One fine day the police raid his warehouse and he is arrested for trafficking gold and drugs.

Being a village simpleton he doesn't understand the law and is easily implicated by his bosses for illegal activities carried out by them.

Sujit visits his destitute family and offers money as compensation for the false implication of Dharma.

The hard work takes a toll on her health, as she is pregnant and one day she falls off the stairs due to weakness.

When Dharma enters the ward, he finds out that their baby has died due to a fall Radha has suffered.

His bosses sense vengeance and lodge a complaint to Inspector Khan, who had earlier arrested him.

Inspector Khan questions the owner and suspects foul play, but due to proper paperwork and lack of evidence, he cannot implicate either of them.

Inspector Khan warns him that although he doesn't have any evidence, the path that Dharma has chosen would lead him back to his own destruction.

In order to keep the bad influence away from his kid, Dharma sends his son Raju to London for his further education.

Years later, Raju (also Amitabh Bachchan) returns home and would like to marry Geeta Verma, (Neetu Singh) whom he met in London, but is unable to meet his father's approval and comes into conflict.

After a certain point, Dharma reconciles with his son and realises that his consent to marriage is equally important.