It depends on your level of preparation right now.It is important to keep in mind that even if you haven't studied for JEE exclusively, you are pretty much through with some part of it already by studying for boards. If you haven't studied anything at all in the previous time, then there is a pretty straightforward answer to your question.NO, UNLESS YOU ARE A GENIUS.Now, to clear JEE with 3 months of preparation, I would suggest you go through what you need to prepare and how much you already know and then try your best to complete the leftover part.

Type in Google A Student name Anirudh Rao cracked IIT-JEE in 3 months

Can I crack IIT JEE 2017 with 1200 rank in 3 months of preparation?

Cracking the IIT JEE exam requires diligent and focused preparation over an extended period of time. However, with the right approach and dedication, it is possible to improve your rank significantly in a span of 3 months. Here's a detailed plan to help you achieve your goal:

1. Assess your current knowledge and weaknesses
- Evaluate your understanding of the JEE syllabus and identify the areas where you need improvement.
- Take a mock test or solve previous year question papers to gauge your current level of preparation.

2. Create a study schedule
- Divide your time effectively among all the subjects and topics, giving more emphasis to areas you find challenging.
- Allocate dedicated time slots for self-study, practice, and revision.
- Ensure you follow the schedule consistently and maintain discipline.

3. Familiarize yourself with the exam pattern
- Understand the structure of the JEE exam, including the number of questions, marking scheme, and time duration.
- Practice solving sample papers and mock tests regularly to build speed and accuracy.

4. Focus on conceptual understanding
- Instead of rote learning, strive to develop a deep understanding of the concepts and principles in each subject.
- Refer to standard textbooks, study materials, and online resources to reinforce your understanding.

5. Solve a wide range of problems
- Solve a variety of problems from different sources to enhance your problem-solving skills.
- Gradually increase the difficulty level of the problems as you gain confidence.

6. Seek guidance and clarification
- Whenever you encounter a doubt or difficulty, seek guidance from teachers, mentors, or online discussion forums.
- Clearing your doubts promptly will help you progress smoothly in your preparation.

7. Regular revision
- Set aside time for regular revision of all the topics you have covered.
- Make concise notes and flashcards to aid in quick revision.

8. Mock tests and analysis
- Take regular mock tests to simulate the real exam environment and assess your progress.
- Analyze your performance in each test to identify your strengths and weaknesses.
- Work on improving your weak areas by revisiting concepts and practicing more problems.

9. Stay motivated and maintain a healthy lifestyle
- Maintain a positive mindset throughout your preparation journey.
- Take breaks, indulge in hobbies, and maintain a healthy lifestyle to avoid burnout and stay focused.

In conclusion, while cracking IIT JEE 2017 with a rank of 1200 in just 3 months is challenging, it is not impossible. With a well-structured study plan, consistent effort, and a positive attitude, you can significantly improve your rank and increase your chances of success. Good luck!