I am in 12... On average now.. What should be my strategy to score above 90% in all.. PCM
You should make your important time table according to your strength and weakness. Give more time to the topics or subjects in which you are weak. You can set your daily and monthly target. So, that you can complete your syllabus on time and you get proper time for revision as well.
To score good marks in your exam you can give extra attention to the topics which carries more weightage in the exam. You can also solve MCQs for your practice.
Solve previous year papers to know the exam pattern and level of questions.
You can also solve mock test series to analyze your preparation level and to learn from your mistakes.
Good Luck!!