Actually your SC rank is very good.It is very difficult to get seat in Top NIT and Govt colleges.It will depend on the cutoff ranks of the college this year.But you even have chances to get seat.

For more information please go through the below  link:

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

Hey,

I  read your problem statement , I am providing  you a link  and some article. this is careers360 college predictor tool and previous year cut offs. it will help you alot. However according to me  you will face difficulty to get the desired college.  Hope that it is helpful to you. wish you all the best.

regards

https://engineering.careers360.com/jee-main-college-predictor?icn=jee-main-clgpd_landing-page&ici=prediction-section_c360-home

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

https://engineering.careers360.com/articles/nits-cutoff-for-top-btech-branches

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