I applied online. The process took 1 day. I interviewed at Indian Oil (Vadodara) in Aug 2008
Interview
Indian Oil shortlists candidates for interviews based on GATE scores previously it was based on all india entrance test. I attended the interview on aug 2008. Typically the process has one GD/ Group activity, one technical interview and one HR interview. The technical interview will be mostly from basics of engineering. For chemical engg read about pumps, distillation and heat exchangers. Reading a little bit about the company from its website will be usefull
Interview questions [1]
Question 1
how do you control Product fractionation using reflux, pump around and reboiler duty
I applied through college or university. The process took 1 day. I interviewed at Indian Oil in Jul 2010
Interview
Interview panel consists of 4 members and they warmly welcomed me and started off with my background, extra curricular activities and slowed moved in technical questions.