Hello Anju,

Hope you’re doing well.

Different specialisations of the PG Diploma of Science courses are offered in Canada. The prominent fields where candidates can apply to finish their PG diplomas are given below-

1. PG diploma in supply chain management

2. PG Diploma in forensic medicine

3. PG diploma in nuclear medicine

Like these courses, there are many PG  diploma courses are available, you have choose the course according to your career choices. If you want to go for management jobs then first one is best for you and if you want to go for medical line then rest two is good for you. Here’s a link to many PG diploma course you can apply for -

https://www.google.com/amp/s/medicine.careers360.com/articles/specialisation-after-mbbs/amp

Colleges offering science diplomas in Canada: Requirements :

Candidates with strong academic records, no gaps in their schooling, strong TOEFL scores, and who meet the necessary financial conditions stand a decent chance of getting accepted to the university of their choice. The admission requirements may change depending on the programme and school. The fundamental requirements that applicants from India and other countries must adhere to are stated below-

- Pass the 12th grade with a decent grade.

- A suitable diploma, a bachelor's degree, or job experience that the admissions committee will accept are requirements for applicants.

- Students from non-English speaking nations are required to complete one of the following exams: IELTS, TOEFL, PTE, or Duolingo.

- To complete the admission process, foreign students must additionally submit a Letter of Recommendation and a Statement of Purpose.

Since you completed your bachelors from Canada itself, it shouldn’t be a problem for you and you’ll be easily admitted in a school for the diploma course.
All the best.