In your sentence, which can be the topic, so no inversion usually takes place. Also, the ultimate clause is a statement, not a question: that is operating to be a relative pronoun, not as a question word. Precisely the same would implement if it were being an adverbial. Compare these https://mariojmiez.develop-blog.com/43976124/detailed-notes-on-best-drt-and-sarfaesi-lawyer-in-india