What is the best question you can ask the interviewer at the end of the intervie

Q The mountian range between Narmada and Tapti:
Q Indian provincial elections was held in the year:
Q In CIBIL, “B” stands for
Q As a tour guide what are the career options?
Q Alexander invaded India in?
Q Do you have any idea what are the actions that has to be performed if hardware devices are not recognized?
Q How can i sum the elements in an array?
Q What are your views on the controversial practice of Triple Talaq?
Q Why self closing sounding pipes are used onboard?
Q Who invented Vacuum tube triod and when?
Q When to use recovery scenarios?