Here are some of the preparation tips can be helpful for you-

Analyse Syllabus & Exam Pattern - First of all, it is very important to know the complete syllabus from where the examination will be asked.

Study Plan - Time management plays a key role in achieving the good marks. Manage your time in such a way that every subject will get the equal attention.

Practice Mock Test - By practising mock test, you are able to identify your weak points and strong points. Also, you will learn how to manage time during the examination. Through mock test, you can check your performance time to time.

Maintain your Health - There is nothing more important than your health. If you are healthy then, only you are able to concentrate on your studies. So, take hygienic and nutritious food. 

Revision - Try to complete your studies some days before the examination so that you will get the enough revision time. Keep last 3-4 days for revision purpose. It helps you a lot for achieving the good marks.