Hey there, Your rank is low for taking good branch in a good government college but you also belong to SC Category and that will be very much helpful to you.

You can even try for CS and for other branches at some good NITs too.

I will recommend you to check All The Colleges, That is available for You on basis of your rankings and Reservation, Then You can also check that at Our JEE MAINS COLLEGE Predictor. That will be very helpful for You. And Then You can easily compare good colleges and choose which one will be best for you.

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

ALL THE BEST :)