hi aspirant ,

clear all your concept and do all previous year jee advance paper and do test series and check and improve your rank. you can take package of  couchings like allen , akash .

• Get to know the syllabus for JEE Advanced
• Most questions are analytical based in JEE Advanced which require higer order thinking skills and good numerical ability
• Practice a lot of previous year question papers
• Go for frequent mock tests
• Get help from your teachers
• If possible enroll for a coaching classes but it's not necessary
• Study from only the best books for JEE Advanced
• Keep your mind and body healthy