Hello Swostik,

It is quite difficult for us to predict the probable college as first-time JEE is being conducted twice in a year and rank will be based on NTA percentile score but you may calculate your expected rank by given below Formula or use the link -

JEE Main 2019 rank (probable) = (100- NTA percentile score ) X 874469 /100

Https://engineering.careers360.com/articles/how-calculate-jee-main-2019-rank-based-on-nta-percentile-score

You can also check your admission possibility with the given below JEE Main college predictor.

Https://engineering.careers360.com/jee-main-college-predictor

Good Luck!