Hello,Anil

Based on your percntile in JEE mains( General Category) you might face a little difficulty in getting admitted in NIT's but you can opt for some GFTI's.You can also use the college predictor Of Careers360 where you can find best colleges you can opt. for based on your rank.

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

Hope this helps.

Best of Luck!