Go through the important concepts and theories you've learned in Psychology. Focus on topics that you find difficult to understand, and revise them thoroughly.
Solve previous year question papers and sample papers to get an idea about the exam pattern and the type of questions asked in the exam.
Create short notes of important topics and concepts.
Take breaks between your study sessions and relax your mind.
Get a good night's sleep before the exam day and stay hydrated throughout the day.