Hello aspirant,

below are some of the best courses that you can do after class 12th with Physics, chemistry and mathematics as your Subject adn which will give you some of the best salary:

1. Medicine/ MBBS. ...
2. Engineering. ...
3. BBA. ...
4. LLB (Bachelor of Law) ...
5. Bachelor in Statistics. ...
6. Bachelor in Computer Application. ...
7. Bachelor of Science in Hotel Management. ...
8. B.Sc in IT and Software

secondly, if you have made your mind with going to Engineering field, then below are some of the best engineering Course that you can take after class 12 :

• Btech Food Technology.
• Btech Mechanical Engineering.
• Btech Civil Engineering.
• Btech Chemical Engineering.
• BTech Genetic Engineering.
• BTech Aeronautical Engineering.
• BTech Automobile Engineering.

Further, to know more about the Courses to take after class 12 PCM, you cna follow the below mentioned link to know more :

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

I hope that this will help.