they take an online test of verbal, data interpretation, aptitude, etc. They also ask a question which you have to reply through a video, where they will give you a random topic, you have to record a video speaking about the topic for 60 to 90 seconds.

The interview process is a bit difficult to crack. Go through your resume and be ready to answer whatever they ask about it. Practice guesstimates and puzzles thoroughly. Be consistent with your logic in solving problems