Dear Ritu, Those Indian Citizens who have graduated in Civil, Computer Science and Information Technology, Chemical, Electrical, Electronics and Communications, Mechanical, Instrumentation, Metallurgical Engineering can only apply for IOCL recruitment through GATE 2019. Selected Candidates will be recruited as Graduate Engineer and Officers based on their GATE 20109 scores and performance based in the Interview. Unfortunately, graduates in Physics are not considered eligible for this. Please visit our page for more information: https://engineering.careers360.com/articles/iocl-recruitment-through-gate