If the PGDM programme is certified as equivalent to MBA by AIU, then one is eligible to enrol for PhD in any university. Other alternatives are FPM (Fellow Programme in Management) offered by all leading IIM’s and XLRI, says a faculty from a leading PGDM institute. Log on to http://goo.gl/N7wtcg for details of institutions whose 2-year full-time Postgraduate Diploma in Management has been equated with MBA degree for purpose of higher education.

If as you say the Dhruva college of management name is not mentioned then this college's PGDM degree is not equivalent to MBA which will be a problem for you to do PhD and govt. jobs.