Indian Oil Recruitment 2021: Last date today to apply for Engineers and Officer posts â Know how to apply, eligibility Indian Oil Corporation (IOC) to end the registration process today (July 26) for Engineers, Officers and various posts. Share Updated: Jul 26, 2021, 06:36 AM IST Indian Oil Corporation (IOC) to conclude the registration process today (July 26) for Engineers, Officers and various posts. Interested candidates can apply through the official site iocl.com. Applications are open for - Chemical Engineering, Civil Engineering, Electrical Engineering, Instrumentation Engineering, and Mechanical Engineering. The application process will end today (July 26). Indian Oil Corporation Recruitment 2021 Eligibility Criteria: Candidates must have a B.Tech/ BE/ equivalent as a full-time regular course from institutions/ colleges/ universities/ deemed universities duly recognised by AICTE/UGC in anyone of the following disciplines: Chemical Engineering, Civil Engineering, Electrical Engineering, Instrumentation Engineering, Mechanical Engineering.