Yes, it is possible to crack JEE mains in 1 month of intense preparation if you start from scratch. However, it requires dedication, discipline, and a strategic approach. Here is a detailed plan to help you achieve your goal:

1. Understand the Exam Pattern:
- Familiarize yourself with the JEE mains exam pattern, including the number of questions, marking scheme, and time duration.

2. Create a Study Plan:
- Divide your time efficiently to cover all the subjects and topics.
- Allocate more time to subjects that you find challenging.
- Create a daily and weekly study schedule to ensure proper time management.

3. Gather Study Materials:
- Collect the necessary study materials such as textbooks, reference books, previous years' question papers, and online resources (preferably EduRev).

4. Focus on Conceptual Understanding:
- Start by building a strong foundation in all subjects by understanding the basic concepts.
- Clear any doubts or misconceptions by referring to textbooks, online resources, or seeking help from teachers or peers.

5. Practice Regularly:
- Solve a sufficient number of practice questions and previous years' papers to improve your problem-solving skills.
- Take mock tests to get a feel of the actual exam and identify your strengths and weaknesses.

6. Time Management:
- Learn time management techniques to solve questions quickly and accurately during the exam.
- Practice solving questions within the stipulated time limit to enhance your speed and accuracy.

7. Seek Help:
- Don't hesitate to seek help from teachers, mentors, or fellow aspirants when you face difficulties.
- Join online forums or communities to interact with like-minded individuals and gain insights.

8. Revise Regularly:
- Regularly revise the topics you have studied to reinforce your understanding and retain information.
- Make concise notes and flashcards for quick revision.

9. Stay Healthy:
- Take care of your physical and mental health during this intense preparation period.
- Get enough sleep, exercise regularly, and eat a balanced diet to stay energized and focused.

10. Stay Positive:
- Maintain a positive mindset and believe in your abilities.
- Stay motivated and determined to achieve your goal.

Remember, cracking JEE mains in a month requires consistent hard work and dedication. Stick to your study plan, practice regularly, and stay focused. With the right approach and mindset, you can definitely succeed. Good luck!