I applied online. I interviewed at PetroTel in Apr 2014
Interview
Four people interviewed me in a row. The manager asked me general questions. Such as the introduction about myself, my career goal, and my previous experience in geosciences period. The person who is in charge of technical part told me what they were interested in my resume and told me what I need to do.
I applied through an employee referral. The process took 1+ week. I interviewed at PetroTel (Lucknow) in Apr 2015
Interview
A formal HR and Technical Interview . It was a Skype interview and lasted for around 20-25 min, it was quiet light heartened interview and they usually asked about the subjects being taught in your undergraduate course.