12th ke baad kiya kare 10th ke baad kiya kare
You have to choose a stream based on your interests and ambitions after class 10.
Now when you have chosen your desired stream, you can give the entrance exams to get into colleges relevant to that field or may get direct admission based on your class 12 th marks.
Try to maintain a good academic record in both class 10 and 12 for easy getting of dream colleges.