For applying for IOCL and HPCL through GATE 2019.

1. First you need to apply or register yourself for GATE 2019. For all relevant details you can go to www.gate.iitm.ac.in 

2. Once you get the Registration number and Admit Card for GATE 2019 you need to apply on Indian Oil website www.iocl.com mentioning all the relevant details and information. Once you reach the IOCL website you need to go to careers and after that in the latest job openings you'll find the relevant link.

P.S. : The GATE 2019 application link is not available for few days .

All the Best!!