1. Understand the syllabus
2. Create a realistic study plan which includes extracurricular activities. Study early in the morning.
3. Read from standard reference books like NCERTs
4. Read newspaper to keep updated with current affairs
5. Practice writing essays on different topics
6. Practice Mock Tests
7. Study an optional subject thoroughly
8. Stay healthy, exercise
9. Group discussion and teach others to gain clarity on your concepts
10. Revise regularly and join coaching class
11. Use online resources for help