I applied through a recruiter. The process took 1 day. I interviewed at Aon (Gurgaon, Haryana) in Nov 2014
Interview
Overall interview process is ok.They will ask standard .Net questions.
First round technical telephonic then another technical round. Then HR discussion.
If some one is having less than 4 years of experience then there will written test on machine that too would be technical and then technical round conversation.
They took two rounds of technical interview. but they haven't release the offer quickly after two month ago they tried to call me and asked are you looking for the change and released the offer.
I applied through a staffing agency. I interviewed at Aon (Noida) in Nov 2016
Interview
Two Technical followed by one managerial round and Hr round. Hr rounds depends on the availability of the hr person it could be postponed to telephonic. There could be a change of additional telephonic technical discussion.
Interview questions [1]
Question 1
End to end questions right from front end to back end.