Hello aspirant
Pharmacy D is a doctorate degree In pharmacy of 6 years course.
You will learn organic chemistry, biology mainly human anatomy and pharmaceutical analysis, pharmacology and medicinal chemistry, formulations in industrial pharmacy and packaging and it's unit, laws related to pharmacy.
It's a very good course and will get you lots of opportunities in research and development sector.
You can work as a quality control and also drug inspector, you can be a market research, you can be a professor and be a head in product manufacturing etc.

Please explain your query as well.