hi,

see generally bachelor of pharmacy i.e b pharma course is of 4 years. after completing b.pharma course you may apply for master of pharmacy. now coming to pharma d course, admission can be possible after passing 12th course. pharma d is 6 years course which includes the syllabus of bachelor in pharmacy and detailed study of 2 years thesis on any particular discipline of pharmacy. now if you are already pursuing b.pharmacy I suggest you to go for master of pharmacy course of 2 years. now the admission process is differ college to college. generally admission is based on scores of  ielts, toefel, gre etc. some of the best university for masters in pharmacy is,

university of oxford,

harvard university

monash university

university of torrento

university of california

national university of singapore