Hey Aditya Pathak,

first you can go to the following link to estimate you rank by your marks!

below is the rank predictor tool,

https://engineering.careers360.com/jee-main-rank-predictor

After getting your rank you can estimate your college by the rank!

You can estimate the college by the college predictor tool.

Below is the predictor tool to estimatw which NIT you will get,

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

All the best!

Hii Aditya..

Your expected jee mains rank according to me will be in between 10,000-13,000.