Alumni groups are real reviewers of the institutes. These people can tell you what their current positions are and how the institute has helped them after completing the PGDM course. Find out the alumni groups of the institutes you prefer to pursue a PGDM program and try to get in touch with a few of them requesting for sharing their experience with their PGDM institutes. https://www.4shared.com/u/XwYipN7C/dipok18379.html