hii

you have no or very very less chance of getting in to nits and even a good prestigious iiits but you may go for other gftis and sftis there you may find a better college for you.

even though i'm providing you a link from where you may predict your college based on your rank and also compare based on your preferences that you have set:

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

i think you are from bengal so may be you can go for other government college of bengal also like kalyani, heritage ect