Hi,

As 1,45,386 students appeared this year for the examination according to that by using the Rank Formula (100-Total percentile)*145386/100 your rank will be around 5233.
This is your approximate rank.

As far as concerned about the college it depends on which category you belongs to.

For more details please visit the below links this will help to know more about the college that you may get 
.https://engineering.careers360.com/jee-main-rank-predictor
https://www.careers360.com/college-predictor

All the best !!!