I applied online. I interviewed at Airports Authority of India (New Delhi) in Mar 2017
Interview
There will be three stages...
1. document verification
2. voice test.(very easy just ask you to read from the passage.)
3. interview..(basic questions related to your field and various questions regarding the equipment ATC use)
I applied online. I interviewed at Airports Authority of India
Interview
Inteview at Delhi after clearing the written examination along with Voice test to check for stammering. The questions can be from any topic randomly chosen by the interviewer. The difficulty is not that much. mostly asked based on the field of study and some questions to assess your spatial ability etc.