Dear Aayush,

                             Considering the previous year closing ranks, it is quite difficult to get admission to your prefered courses in Top NITs through general category.The prediction is made considering the previous year closing ranks.

Try for private institutes that accept JEE Main Score.

Check the probable collage for you rank using the link: https://engineering.careers360.com/jee-main-college-predictor 

Check the closing rank for CSE in different NITs using the link: https://engineering.careers360.com/articles/nits-cutoff-for-btech-computer-science-engineering