I would say, you should join the one which clears all your doubts and which provides the study material which enhance your knowledge and which is easy to understand as well but most of the students join below coaching institutes so you can also consider them -

Allen Kota

Vibrant Academy

FiitJee

Sri Chaitanya and Narayana(CHAINA) Hyderabad

Resonance

Vidyamandir Classes New Delhi (VMC Classes)

Super 30 Patna

IITians PACE Mumbai

Aakash Institute New Delhi

Motion IIT JEE

Good Luck!!!