Hello Arjun Rathore, I think there are 3 main subjects which are in the list of selction  of all schools are:

• Science.

1. Mathematics(PCM)
2. Biology(PCB)

• Commerce.
• Arts/Humanities.

Like science there are other options in other streams also.

Hope you got your answer :)

• MPC
• MEC
• CEC
• HEC(very few colleges have this course)
• BIPC
• You can even go for Diploma