You have to book interview slots as per the availability of the global interview network. the first round is a qualifying round. This round checks for basic skills and the one who clears this round can book a slot for the second round which is a logical round. Interviewers test your logical skills in this round and the one who qualifies can book the final round. The final round of interview is focused on the subject and functional skills. If you qualify in all 3 rounds. You will be published on aumnics connect for customers to hire you.