You'll be asked to fill forms, and then you'll be requested to perform an assignment and make a video explaining it and if you do it good enough then you'll be selected
I applied online. The process took 2 weeks. I interviewed at Fellowship.AI (Bengaluru) in Sept 2020
Interview
It was pretty chill. First you do a challenge, then in the interview, they just asked some basic technical questions around deep learning and ML. Finally, there was a small python coding task.