To be eligible for the Post Graduate Diploma degree at Regional Institute of Management Jhajjar, candidates must possess a bachelor's degree in any discipline from a recognized university. The minimum aggregate score required may vary depending on the program, but generally, a minimum of 50% marks is expected. Additionally, candidates are required to have a valid score in any of the national level entrance exams such as CAT, MAT, XAT, or CMAT. The selection process may also include a group discussion and personal interview. It is important for applicants to meet these eligibility criteria to be considered for admission to the Post Graduate Diploma program at Regional Institute of Management Jhajjar.