CSO applicants have rated the interview process at IndiGo with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 67.7% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
1. GD round (Communication and confidence level are checked)
2. Interview with Airport Manager (Question related to Resume,etc)
3. Video conference with Head of Dept. or CEO.
Be confident and honest. And the most important thing is that have practical knowledge of airlines and customer service. This will help you in getting this job.