1. Make a realistic revision timetable and stick to it. Start planning it well before the exams begin. Don't leave revision to the last minute. 
2. Make brief notes of your books, notes and essays to make them easier to digest quickly, especially if you don't like the subject or find it difficult. 
3. Add headings and sub-headings, or use highlighting pens and revision cards, key words or charts - whatever works for you. 
4. Work out what revision timetable best suits you. 
5. If you can concentrate well in the morning then do most of your studying before lunch, not late at night when you can't concentrate. If you can study at night then study at later half of the day, but go to bed at reasonable hour and get enough sleep 
6. Revise very nicely since that is very important. 
7. Try answering questions from past exam papers or explaining tricky answers to someone else to make sure you have understood it. 
8. If you really cannot concentrate it may be because you are tired, hungry, or just bored. Take a break and come back to it 10 minutes later. Short bursts of concentrated revision are often better than hours of staring at the same page. 
9. Always ask for help if there are things you don't understand, and especially if you are feeling, stressed out. 
10. Finally, never forget that there is life after revision and exams. 
11. Try to be cool in the exam