In your sentence, which happens to be the topic, so no inversion can take location. Also, the ultimate clause is a statement, not a question: which happens to be performing being a relative pronoun, not as an issue word. The same would implement if it were being an adverbial. Review https://advocateinkarachi05117.blogocial.com/the-single-best-strategy-to-use-for-file-a-case-in-karachi-72302625