sentences:  After Digvijay Singh (Amjad Khan) implicates him as a corrupt person, Ramchandra (A. K. Hangal), a teacher, commits suicide.After this incident, his obedient and simple son Ram Kumar (Amitabh Bachchan), an insurance agent, faces many difficulties.Resolved to fight against the injustice in society and uncover the criminal elements, he joins forces with the Police Commissioner (Iftekar) and transforms himself into Prince Chandrashekar, a top diamond businessman from South Africa.