Differences between MBA & PGDM 

Parameters	PGDM	MBA
Approving Authority	AICTE, Ministry of HRD, Govt. of India.	AICTE, Ministry of HRD, Govt. of India, UGC Approval is needed at the university level.
Validity	Valid and equivalent to Post Graduate Degree.	Valid Post Graduate Degree.
Eligibility for PhD. and Lecturership	PGDM with a minimum of 55% Marks are eligible to enrol for PhD. From Indian Universities. Also PGDMs  eligible to teach PG students.	MBA with a minimum of 55% Marks are eligible to enrol for PhD. From Indian Universities. Also MBAs eligible to teach PG students.
Placements	Depends upon the institution. Most of the PGDM institutions have better placement records than MBA institutions.	Depends upon the institution. Comparatively, Some of the MBA institutions like FMS, JBIMS have better placement records.
Course Syllabus	Dynamic, Gets updated as per needs of industry. Syllabus is approved by AICTE.	Syllabus is prepared by universities and gets updated less frequently.
Innovative Practices	Teaching and training is multi dimensional. Cases, simulations, presentations, short term trainings are part of pedagogy.	Limited scope for innovation as practices are defined by syllabus prepared by central body i.e. University.
Ranking in general (by business magazines and student centric websites)	90% of top 100 are PGDM institutions owing to better teaching, training, exposure and placements. IIMs, XLRI, MDI, IMT, GIM, and many more.	Approximately 10 out of top 100 are MBA institutions. Likes of FMS, NMIMS, KJSIMS, SCMHRD, etc.
Equivalence	Equivalent to MBA from any Indian University.  For PhD, Teaching (UGC NET) and all other purposes.	MBA a post graduate degree.
Entrance Process	Thorough  CAT/ MAT/XAT/ATMA and some state level examinations like TSICET, MAH-CET etc.	Thorough State level Entrance Examinations like TSICET, MAH-CET etc.
Examinations	PGDM institutions are authorised by approving body,  AICTE, to conduct the  Examinations	Examinations are conducted by University