150marks is sufficient for nit rourkela
Firstly i would suggest you to predict your rank with the help of rank predictor (link provided below) giving your expected marks and category as input. Because though you get a good mark, it may vary while coming to the percentile.
JEE Main Rank Predictor - Engineering and Architecture ...
https://engineering.careers360.com › jee-main-rank-predictor
Coming to NIT Rourkela according to 2019 analysis, 99 percentile in JEE Mains have the chance of getting into this college.