There are 6 category rank in JEE Mains, which includes:

1.    Common Rank List

2.    Gen EWS

3.    OBC – NCL

4.    ST

5.    SC

6.    PWD

And, These are the state that uses JEE Mains Rank for admission:

1.    Haryana

2.    Madhya Pradesh

3.    Nagaland

4.    Odisha

5.    Uttarakhand

6.    Chandigarh

7.    Delhi

8.    Punjab

9.    Bihar

10.    Jharkhand

11.    Rajasthan

12.    Himachal Pradesh

Hope this may help you.