To score 500 in the NEET exam within 40 days, it is definitely possible with the right preparation strategy and dedication. Here's a detailed plan to help you achieve your target score:

1. Understand the Exam Pattern and Syllabus:
- Familiarize yourself with the NEET exam pattern, including the number of questions, marking scheme, and duration.
- Go through the official NEET syllabus and make a list of all the topics to be covered.

2. Create a Study Schedule:
- Divide your remaining time into dedicated study hours, ensuring you allocate sufficient time for each subject.
- Set realistic daily goals and track your progress regularly.
- Focus on weak areas while also revising strong topics to maintain a balanced preparation.

3. Study Material and Resources:
- Utilize trusted NEET study materials such as NCERT textbooks, previous years' question papers, and reference books recommended by experts.
- Make use of online platforms like EduRev NEET section for additional study materials, mock tests, and practice questions.

4. Conceptual Clarity and Topic Wise Preparation:
- Start by strengthening your foundation in each subject by understanding the basic concepts.
- Follow a systematic approach to cover all the topics, giving extra time to areas you find challenging.
- Make concise notes while studying, highlighting important formulas, diagrams, and key points for quick revision.

5. Practice Regularly:
- Solve a wide range of practice questions to improve your problem-solving skills and speed.
- Take regular mock tests to assess your progress and identify areas that need improvement.
- Analyze your mistakes and work on them to avoid repetition.

6. Time Management and Exam Strategy:
- Develop effective time management skills by practicing solving questions within the stipulated time.
- Learn to prioritize questions based on difficulty level and marks allotted.
- Familiarize yourself with different question formats and practice solving them to avoid any surprises during the exam.

7. Stay Healthy and Manage Stress:
- Take care of your physical and mental well-being by maintaining a balanced diet, exercising regularly, and getting enough sleep.
- Practice relaxation techniques like meditation or deep breathing to manage exam-related stress.

Remember, consistent effort and a positive mindset are key to achieving your target score. Stay focused, follow the plan diligently, and believe in your abilities. Good luck!