Love could be one of the main themes. Often in Urdu novels, love stories play a central role, whether it's unrequited love or love that overcomes obstacles.
I'm not familiar with 'zard mosam full novel'. Maybe you can ask in some reading - focused communities or groups. They might be able to give you some leads on where to find it.
One similar Urdu novel could be 'Umrao Jaan Ada'. It's a classic that delves into the life of a courtesan and the society of that time. The story is filled with emotions, love, and the harsh realities of life in that era.
I'm not sure specifically as I haven't read it. But it could be a romance novel considering 'mausam' can be related to mood or atmosphere which is often a big part of romance stories.
Since I don't know the exact details, it could be a historical fiction that recreates a past era. The events in the novel might be centered around a particular family or community. There could be elements of mystery, where the characters are trying to uncover secrets from the past. Or it could be a coming - of - age story where the protagonist experiences growth and self - discovery throughout the course of the novel.
Since I don't know this specific 'zard patton ka bunn novel', it's difficult to say. It might be a story that combines elements of different cultures given the strange combination of words in the title. Maybe 'zard' and 'patton' are names of characters or places, and 'ka bunn' could be some sort of object or concept within the novel.
Another option is to check with libraries. Some libraries have a diverse collection of international literature, and there's a chance they have this Urdu novel in their inventory. You can either visit in person or check their online catalog.