Since I don't know the exact 'jo tu chahay' story, I can't say for sure about its origin. It could come from a local tradition, an individual writer's imagination, or even be part of a specific cultural movement in a certain region.
There are many stories and works out there, and 'jo tu chahay' doesn't immediately ring a bell as a well - known universal story title. It could be a name of a story from a certain area, a personal project, or something new. Maybe it's a song title that has a story behind it? Without more context, it's difficult to tell the full story.
Since I don't know the exact meaning of 'jo tou chahay', it might be a local or regional expression. It could be a story related to a particular family, community or tradition. Maybe it's from a specific literature or oral history. But again, without more information, we can't really know the full story.
I'm afraid I don't know much about 'De Ijazat Jo Tu' novel. But you could try looking for reviews or summaries online to get a better idea of the story.
There is not enough information to accurately tell the full story of 'Karle tu bhi mohabbat'. It might be a story that is specific to a certain culture or community. If it's a recent creation, it could be from a new piece of literature or a self - published work.
If 'Karrle Tu Bhi Mohabbat' is a story, it might be about a relationship where love ('mohabbat') is involved. But without more details, it's hard to tell the full story. It could be a story of unrequited love, a love that overcomes obstacles, or a tragic love story. However, this is all speculation without further information.