The choice of coaching institute for the preparation of JEE Main examination depends on several factors, including individual learning style, financial situation, and location. Some of the popular coaching institutes for JEE Main preparation include:

1. Allen Kota
2. Resonance
3. Aakash Institute
4. FIITJEE
5. Vibrant Academy
6. Bansal Classes
7. Sri Chaitanya
8. Narayana Institute
9. Career Point
10. Motion IIT-JEE

These institutes have experienced faculty members and provide comprehensive study materials, mock tests, and personalized attention to students. However, it is important to note that no single coaching institute can guarantee success in JEE Main examination. The ultimate key to success is the student's hard work, determination, and consistent preparation.

It is advisable for students to research and compare different coaching institutes, take into account their strengths and weaknesses, and choose the institute that best suits their needs. Additionally, students should also not rely solely on coaching institutes and should supplement their preparation with self-study and practice.