Dear student,

As you have secured 2982 sc category rank in JEE mains 2020 then, with this much rank in JEE mains you can easily get seats in nits with your preferred branches.
As you belong from home state bihar then with your home state quota then you can easily get computer science and engineering and ece branch in nit patna. Apart from ece and cse you can also get many other branches in nit patna with ease .

Also with your sc category rank, there are other nits too in which you can get computer science and engineering Branch, like :-

Nit Agartala
Nit Sikkim
Nit Meghalaya
Nit Manipur
Nit Mizoram
Nit arunachal pradesh
Nit Srinagar
Nit Nagaland


Also with this much good sc rank you can easily get Electronics and communication engineering branch in :-

Nit uttarakhand (fair chances)
Nit jamshedpur
Nit Sikkim
Nit Meghalaya
Nit Manipur
Nit Mizoram
Nit arunachal pradesh
Nit srinagar
Nit puducherry
Nit nagaland
Nit silchar
Nit goa
Nit raipur
Nit jalandhar
Nit agaratala
Nit andhra pradesh
Nit hamirpur

So you have a very good chances to get many good nits with your sc category rank.

Also, check out our jee mains college predictor tool to get an appropriate idea of the colleges that you can get on basis of your jee mains rank :-
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer