Well, it has roots in reality. Umrao Jaan is believed to have been based on a real individual, but the story as we know it through different mediums has likely undergone creative alterations and interpretations.
I'm afraid I don't have the knowledge of the author of the 'umrao jaan ada novel'. However, you could search for it in specialized literature resources, or consult with literature scholars or enthusiasts who might be well - informed about this particular work.
Well, sort of. While it has elements drawn from reality, it also incorporates fictional elements to enhance the narrative and make it more engaging for the audience.