Izzatdaar (1990)

Brahmdutt, a rich Steel Baron is falsely convicted in the murder of his best friend and business partner Premchand. When in prison, Brahmdutt finds out from sources that his son in law Indrajeet has conspired to get him caught so he can take over his empire. Brahmdutt avenges that once he is free he will take full revenge from Indrajeet. To take revenge Brahmdutt is helped by Vijay, Indrajeet's own deserted son.