NSIT and various other big engineering colleges in Delhi (except IIT, Delhi) give a bit more preference to the citizens of Delhi. At this much percentile, your excepted rank is about 17 thousand which is not enough for getting Admission in NSIT if you are from outside of Delhi. I will suggest you either look for colleges in your home state or try to improve your percentile in the coming April Jee mains.

Also at this much rank, you must look for an NIT. 

For more info about the cutoffs of various colleges visit the link below:

https://engineering.careers360.com/articles/jee-main-cutoff-for-top-nits