The qualification is based on ur pcm aggregate in class 12 and the qualifying exam .It is enough that u are qualified to write the advanced xams.The rank really doesnt matter. Better apply for the counselling as soon as possible.

Hello,

To know about your chances of getting colleges to check out the college predictor link below:

The link is: https://engineering.careers360.com/jee-main-college-predictor

Hope this helps and all the best