ndian Oil Recruitment 2017-18 Notification for Trade Apprentices and Technician Apprentices in various disciplines for filling total 1090 Vacancies. IOCL Refineries Division invites applications from eligible candidates for engagement as Apprentices under Apprentices Act. 1961/1973 in Chemical, Mechanical, Electrical and Instrumentation Disciplines in various IOCL Refineries Divisions. IOCL Apprentice 2017-2018 Online Registration open from 28th October 2017 and close on 11th November 2017.