To choose the course it depends on your interest, passion and your skills so that you can grow in your field and you don't get bored. 

Choosing a course also depends on your subjects.Please tell me your subjects? So, that I can help you

Below are the some of the courses which you can opt for 

1- Medical (MBBS)

2- Engineering

3- If you are interested in Arts there are many options for you like Air Hostess, Anchoring, Animation, B.A, B.sc, Diploma courses, CS, MBA, Fashion designing, Interior designing and tourism management.

4- MBA

5- Law

You can also refer below link to know about the courses

Courses after 12th