With your percentile and category you have chances of getting into NITs in home stae quota. But it can't be surely determined since the cut off varies every year.

You may or may not have chances of getting NITs or IIITs depending upon the cutoff, number of applications and number of vacancies you may have chances of getting admission. Youe genera rank will be around 96500. your category rank will be between 13000.

To know your exact rank you can use the rank

predictor

For knowing about percentage versus Mark you can refer the article given below

https://engineering-careers360-com.cdn.ampproject.org/v/s/engineering.careers360.com/articles/jee-main-marks-vs-percentile/amp?usqp=mq331AQKKAFQArABIIACAw%3D%3D&amp_js_v=a9&amp_gsa=1#referrer=https%3A%2F%2Fwww.google.com&csi=0&ampshare=https%3A%2F%2Fengineering.careers360.com%2Farticles%2Fjee-main-marks-vs-percentile