What is the basic difference between MBA and Post Graduation Diploma? Are they equally significant?

PGDM is an institute based autonomous program which is approved by AICTE. MBA is a program which is affiliated to a university. Colleges which offer AICTE approved courses will also offer PGDM not MBA, for example XYZ College is affiliated to ABC University they offer MBA course affiliated to that U

The main difference between MBA and PGDM is that MBA is a degree and is offered by universities, whereas, PGDM is a post-graduate diploma offered by AICTE approved institutes. Indian universities come under the University Grants Commission (UGC) and can, therefore, award degrees like the MBA degree,