MBA, MMS , PGDM which one the degree is valid out of India

All the degrees above mentioned are valid and each of them definitely has a specific value and adds the best to your profile. MBA and PGDM will be provided by only recognized universities and colleges. If one prefers MBA and PGDM it would be easy for you to complete your higher studies like Ph.D eas

All degrees are valid provided these have been obtained from recognised institutes.

All are valid, though MBA as a term is more easily recognized since the term is more familiar to the ears. If you are applying for corporate job abroad, this will be a factor to be considered somewhere. But, if you are pursuing further academic studies. It will be equally familiar that all of them,