To qualify JEE Advanced, you need to score above the cutoff marks set by the examination authority. As per the previous year's cutoff marks, candidates belonging to the EWS category need to score a minimum of 74 marks out of 396 to qualify for JEE Advanced. Here are some tips that can help you improve your score and qualify for the exam:

1. Start by identifying your weaknesses: Analyze your performance in both papers and identify the topics and concepts that you find difficult. Work on improving your weak areas first.

2. Create a study plan: Divide your time between all three subjects and focus on one topic at a time. Allocate more time to the topics that you find difficult.

3. Practice previous year papers: Solve previous year papers and mock tests to get an idea of the exam pattern and to improve your speed and accuracy.

4. Refer to standard textbooks: Refer to standard textbooks like NCERT, HC Verma, RD Sharma, etc. to clear your concepts and strengthen your fundamentals.

5. Take help from online resources: There are many online resources like video lectures, online courses and study materials available that can help you in preparing for the exam.

6. Seek help from a tutor: If you are still struggling with a particular topic, seek help from a tutor or mentor who can guide you and clear your doubts.

7. Stay motivated: Stay motivated and focused throughout your preparation. Believe in yourself and your abilities.

Remember that qualifying JEE Advanced requires a lot of hard work and dedication. With the right study plan and preparation strategy, you can achieve your goal and crack the exam.