Hello,

Your question seems to be incomplete and a bit confusing and because of which we are not able to answer your question properly.

If in any case you are asking about why exams are required then, Exams are required to assess your talent and your capability. Some of the exams are conducted as a screening test to cut off a large number of candidates appearing for a comparitively smaller number of vacancies.

if you wanted to ask about something else kindly ask your question giving more details so that we may be able to help you out better.

Good luck