I'm not entirely sure as I haven't read the novel specifically. But from the title, it could potentially be about the relationship between faith (iman), hope (umeed) and love (mohabbat).
It might explore how these three elements interact in the lives of the characters. For example, how faith gives strength to hope and love, or how love can influence one's faith and hope. The characters may face various challenges where these aspects play a crucial role in their decision - making and growth.
Perhaps it shows different scenarios where the presence or lack of one of these elements affects the others. It could also be a story about personal transformation where the characters' understanding of iman, umeed and mohabbat evolves over time, leading to different outcomes in their relationships and their own self - discovery.