It depends on the rules and regulations of colleges and Universities whether they provide admission to the diploma in veterinary pharmacy or not after completing MSc in Physics. However I am mentioning below the most basic eligibility criteria for getting admission in diploma in veterinary pharmacy:

• You must have completed your 10 + 2 with Physics Chemistry and Biology as compulsory subjects.
• Other than this you are also required to complete your 10 + 2 with at least 60% marks in the aggregate.
• You must have completed your 10 + 2 from recognised board such as Central Board of Secondary Education.

Read more about veterinary courses by clicking on mentioned below link:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/pharmacy-course&ved=2ahUKEwi36eakzKH1AhXaQN4KHX6mCfoQFnoECAkQAQ&usg=AOvVaw12rLc7G1ECvQsrXJFv9U-r

Dear aspirant hope you are doing well..

To get Admissions in Diploma Veterinary Pharmacy Courses , eligibility criteria is mentioned below

• For admissions into this program students must pass their 12th standard in Physics, Chemistry and Biology as their core subjects.
• Students must acquire at least 55% in the qualifying examination to be eligible for this course.
• No age limit for the course..

For more details...

Admission process, eligibility criteria, top colleges  , entrance exam, fee structure in details click on the link below.

https://www.careers360.com/university/abhilashi-university-mandi/diploma-in-veterinary-pharmacist-course

Hope it's helpful