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.
I'm not sure specifically what 'jo bichar gaye' refers to. It could be a very specific story within a certain culture, community or personal account. Without more context, it's difficult to tell the full story.