Resonance study material is good for JEE Main but to score good marks in your exam make sure your basics are clear and you build strong fundamentals.

Make sure you read NCERT books throughly. So, that you can solve tricky questions easily. You should be aware of the complete syllabus, exam pattern and important topics.

For exam pattern and to know level of questions you can refer previous year papers.

Solve complete mock test series to work on your time management and to increase your speed. With the help of mock test series you can analyze your preparation level and you will get to know your strength and weakness. So, you can work upon them.

If your concepts are clear and you have completed resonance study material alongwith previous year papers and mock test series. Then, you can score good marks in your exam.

All the best for your preparation!!