1st technical interview with technical team consisting a mixed experience panel.
2nd case study based on a plant situation & a challenge for your skills followed by question & answer session which reveals your understanding, development & presentation of your case study.
3rd HR interview. This is really tough. But this is the last stage hence you can ensure that you are selected.
Interview questions [1]
Question 1
during case study presentation some questions were unexpected but handled very nicely.