Hello student your dream career could any thing as per your interest you need to ask yourself or figure out on the basis of your interest that you're interested in what so that you can do some research on that particular job and figure out how you can get that job you need to pursue which course. You can ask your elder siblings parents friends about their experience how're they doing now is it good or not to pursue that particular course so that you can start marking things in which you're not interested after that your options become less and you'll easily decide you've to go with which one.

Feel free to comment if you have any doubt

Good luck