Hi Yogesh,

As per score mentioned in JEE Mains 2019 so you have chance to get any average NIT with any branch like biotechnology, civil, chemical, etc.  Generally in order to get good NIT minimum cutoff percentile in JEE Mains is 97 for general, 94 for obc, 92 for SC/ST category respectively. 

You can predict a college through jee mains from career360 predictor by mentioning jee mains rank, gender, category, home state in details, the link is as below:

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

All the best!!