Sohan, 

To get anything at this rank is very very difficult to be honest. Still you can check your colleges at Careers360 college predictor link given below 

https://engineering.careers360.com/jee-main-college-predictor?utm_source=google-search&utm_medium=paid&utm_campaign=jeemain-clgpd

The best coaching for IIT JEE would be FIITJEE Kolkata. This is a renowned coaching institutes having centres in almost every big cities and it has produced the best results ever since its foundation.

The study material is provided by FIITJEE and it is more than enough to crack Jee Advanced. 

In addition to it,  it has AITS which conducts JEE MAINS AND JEE Advanced pattern paper among students of FIITJEE this helps you to rate yourself. 

Hope it helps