PSG Institute of Management provides PhD programs. This institute is affiliated with Anna University, Chennai, so it follows the admission process, eligibility criteria, syllabus, and salary that are set by Anna University. Usually, the PhD program at PSG Institute of Management requires a minimum of three years of doctoral research. The maximum duration allowed for completion of the program involving coursework and dissertation completion is six years. The PhD can be completed full- or part-time, which aims to accommodate professionals, academics, and employed executives who may want to pursue a doctoral research degree but also want to maintain their own employment.

Faculty with experience in supervision and guidance, most of whom are recognized PhD guides under Anna University, ensure the right balance of theoretical rigor and practical relevance in their research. Scholars pursuing a PhD at PSGIM are conducting research programs that will develop new knowledge and have an impact on complex and challenging business management issues. They take courses in topics including research methods, statistics, and discipline-specific topics, followed by comprehensive examinations and dissertation writing. The scholars also attend seminar series, conferences, and publishing activities, and at times work with industry and government partners.

Interested candidates must apply online on the PSG Institute of Management's official website. They should examine the eligibility criteria and prepare the required documents according to the entrance and interview steps outlined. The university, through Anna University, will initiate final selection and enrolment for candidates who elect PSGIM faculty supervisors.

However, the students can also pursue an online DBA(Doctor of Business Administration) that is equivalent to a PhD, and they will get the Dr title after the completion of this course. This program is not available in India, but there are various top foreign universities that offer this course, and it will be valid in India and other countries. The duration of an online DBA is a minimum of three years. The candidates can take online classes without relocating, and the university will assign them a mentor who will help them complete this course. One of the best parts of pursuing this course is that the working professional can easily take the classes without hampering their job and other personal commitments. While pursuing this course, the university gives a mentor to the students who helps them during the research and also guides them.  After completing this course, they can get a higher position, like CEO or CXO, in the corporate world, or they can also start their own business.