how can I find in which course I am interested in .iy is very confusing for me

Hey!

To know which course you are interested in, you will first have to look at the course- it's subjects, scope and Career prospects to form a better judgement of whether to pursue a particular course or not.

If you belong from science stream and from PCM, few of the career options are as follows:-

• Engineering is a discipline that offers a wide range of career options. Gone are the days when science stream employment prospects were limited to only a few main engineering fields. After completing a 12th science PCM in engineering degree, there are several employment opportunities available nowadays.
• Architecture now encompasses not just the design and construction of houses and structures, but also any other subject of design. It is one of the finest job alternatives following 12th grade science, and students will need both technical and creative abilities to pursue it. It's an excellent career choice for 12th-grade scientific PCM students who enjoy tackling a wide range of issues and applying creative and methodical problem-solving to arrive at a creative and practical solution.
• After 12th grade, there are a variety of employment opportunities. PCM provides a noble purpose vocation in which service to others comes before self-interest. The Indian Army, Indian Air Force, Indian Navy, and Indian Coast Guard are examples of some of the top job prospects after 12th science in our country. If you want to experience difficulties, thrills, and adventure rides in the future, there is no better place to go.
• If you want to pick among job possibilities after 12th science PCM that allow you to travel to new locations while also earning a lot of money, merchant navy is one of the greatest options. The merchant navy aids in the transportation of products between countries. It is one of the most profitable employment opportunities for students in the science field.
• If you've always dreamed of working in a field that allows you to fly higher into the sky, aviation is the field for you! It is one of the greatest post-secondary employment alternatives since there are countless job vacancies in a variety of sub-sectors, as well as several benefits. Regardless of your goals, a career in aviation is both financially and personally gratifying.

For courses options in other fields, check out the link provided below.

https://school.careers360.com/articles/courses-after-12th