Which is the best coaching institute for JEE preparation?

Resonance and Allen are the best coaching institute for the JEE preparation. They provide quality JEE notes with quality faculty members.

The IIT coaching centres are plenty these days so we cannot judge any coaching centre as we don't have any idea about their preparation method. We can just see the students passing out from there and their ranks. And it also varies every year as it depends more on the student than the classes. So