I applied online. The process took 2 months. I interviewed at Aon (Chicago, IL)
Interview
Began with HireVue, fairly straightforward. Next were quant and excel tests, followed by a prepared case and a live case that is similar to cases you would find from Big 4/MBB consulting firms.
I applied through college or university. I interviewed at Aon (Mumbai) in Jan 2019
Interview
Assesment- Aon Psychometric test and AP reasoning , 10 minute GD process- current affair topics and interview with 2 panelists. Interview based on resume. Stress interview- don't be nervous and answer confidently.