I applied through other source. The process took 1 day. I interviewed at GAIL (Noida) in May 2014
Interview
The interview was kind of discussion...about oneself and hobbies. Panel was very friendly and cooperative. Technical questions were asked from your favorite subject. Basic HR questions were posed about postings and future goals.
I applied through university. I interviewed at GAIL (Hyderābād) in May 2021
Interview
GAIL Interviewed as part of campus placements for executive engineer (chemical) and there was only one round of technical interview.
Interview panel consisted of 3 technical persons and a behavioural analyst.
Interview questions [1]
Question 1
Diff type of reactors , when to use which and possible operational challenges while using each type?
Questions on Lechatliers principles and it's applications .
Mass transfers - internals in a distillation column.
Thermo : - throttling, laws of thermodynamics, thermodynamic cycles.