Well, I'm not entirely sure which specific 'kala jadu urdu novel' is the best, but generally, these novels tend to have elements of magic and the occult. They might also explore cultural superstitions. You could start by looking for ones that have good reviews in Urdu literature circles.
A sense of the unknown or unexplained is also common. For instance, if something strange happens in a house like objects moving on their own or strange noises, it might be attributed to kala jadu in these stories. But often these can be natural phenomena that are not understood well, like the creaking of an old house due to wind or the settling of the foundation. Another common element is the idea of a person being targeted. There are stories where someone who has angered another person is then thought to be the victim of kala jadu by that person.
Kala jadoo in Urdu novels can be a very interesting and complex concept. It might represent different things depending on the context of the novel. Sometimes, it could symbolize the evil or the unknown forces that are at work in the story. It may also be related to superstitions and cultural beliefs within the Urdu - speaking communities that are reflected in the literature. In some novels, it could be a plot device to drive the story forward, for instance, when a character discovers that they are under the spell of kala jadoo and they have to find a way to break it.
I'm not sure if kala jadu (black magic) is real in a literal sense. But some people claim there are stories where individuals believe they have been affected by it. For example, there are tales of sudden and unexplained illnesses in Bengali communities that some attribute to kala jadu. However, these could also be due to natural causes misinterpreted because of superstition.
I'm not sure if there are exact replicas of 'kala mantar urdu novel' but 'Aag ka Darya' is a great Urdu novel. It weaves together different historical periods and the lives of the characters in a very engaging way. Also, 'Basti' by Intizar Husain is a thought - provoking read that might interest those who liked 'kala mantar' as it has elements of cultural exploration.
I'm sorry, I haven't found specific reviews of this 'kala billa urdu novel' yet. You can try searching on some Urdu literature review websites or forums.
One example could be in a novel where a jealous neighbor uses kala jadoo to make a family's crops fail. Another might be a story where a witch - like character uses kala jadoo to put a young girl in a trance. In some Urdu historical novels, there could be tales of court magicians using kala jadoo to influence the king's decisions.