I don't know as I haven't read it. It could potentially be about moral lessons, relationships or self - discovery, but that's just speculation.
Not having read the 'lalach buri bala hai' short story makes it difficult to say for sure what the main themes are. However, in many short stories, common themes revolve around human nature, society, and personal development. It could be that this story has a theme related to one of these areas, or it could be something completely different. If there are any cultural or regional aspects associated with the title, that might also give a clue to the themes. For example, if it's from a particular culture, the values of that culture might be reflected in the story's themes.
Since I'm not acquainted with the 'lalach buri bala hai' short story, it's hard to determine its main themes. But often in short stories, themes can include love, friendship, struggle, or growth. Without reading it, we can't be sure if any of these are relevant to this story.