This is also possible because the details you are to learn in this course is very closely related to the subjects you have learned. But when you take the entrance exam, you might face a difficulty as it might include questions related to physics as well. It would do you good if you were to learn some basic concepts of physics to make your exam easier.

If you want admission for diploma in pharmacy, you are expected to complete your higher secondary examination or your 12th exam with your core being science subjects. The required science subjects may include Physics, Chemistry, Biology or Mathematics. 

Another way is through entrance exams such as GPAT and UPSEE.