Score Good Marks in exams

1. first, you should try to understand the topics rather than memorizing without understanding. 
2. you should give time to study in every single day. 
3. you should not only try to read before exam days. 
4. you should write main points of the topics in some note book or highlight the important sentences so that you will understand them easily and can remember it. 
5. you should be confident in exams.
6.  you should focus on your exams not on its results.