Hello Aspirant, 

The best institute to prepare for JEE or any another engineering entrance examination depends on city, your goal whether it's advance or you just want to focus on JEE MAINS. I'm providing the list below of top preparing institutions of India:

• FIITJEE
• Allen
• Vibrant academy 
• Super 30
• Bansal 
• Resonance 
• Narayana JEE classes 
• Shree Chaitanya academy 
• Vidyamandir

There are also some online teaching apps like Unacademy, Toppr, BYJU's, etc.

Careers360 is conducting the All India Talent search exam and if you are a student of 11th, 12th, or a 12th dropper PCM/PCB then you can test your knowledge and enhance your preparation by knowing your stronger and weaker areas and win prizes and scholarships worth 1.25 Crore.

If you are an Engineering or medical aspirant, it is a great opportunity for you. Take the test, perform the best, avail the scholarship and win prizes.

You can win exciting prizes such as:
50,000/- cash Prizes, Upto 100% Scholarship on JEE / NEET AI-Based preparation packages, Laptops, Smartphones, Amazon Echo, Careers360 Almanacs, Powerbanks, Upto 250/- Paytm *Cashback offer.

https://learn.careers360.com/careers360-talent-search-exam/

All the best!