With your background in PCB (Physics, Chemistry, Biology) and Information Practices, you have a wide range of options for studying abroad in Canada or the U.S. In the medical and life sciences fields, you can pursue degrees in Medicine, Biotechnology, Biochemistry, Genetics, or Environmental Science. If you're inclined towards technology, you might consider Computer Science, Information Technology, or Bioinformatics, leveraging your additional subject knowledge. To prepare, you should focus on achieving high scores in your board exams and standardized tests like the SAT or ACT, and if applicable, the TOEFL or IELTS for English proficiency. Additionally, research the specific admission requirements of your target universities, gather recommendation letters, and work on a compelling personal statement.

Hello student

You have appeared in the examination of 12th standard examination and your combination  is PCB that means physics, chemistry,and biology .You want to study in abroad like Canada and USA. It will be better for you to study in Canada where the students facility and the the environment of study is better than USA.

The universities in Canada like Mc Gill University , British Columbia University, Toronto University  are among the top hundred rank University in the in the world.

As you have combination of PCB physics, chemistry, biology thenyou can join  any UG courses in chemistry or physics or life science or microbiology fair research facilities are better after doing post graduation in the respective subjects.

Hope this helps.