Dear student,

State of eligibility means that, from which state you have passed your class 12th board exams.

So, if you are in confusion that what document to upload in state of eligibility, then just upload your class 12th marksheet. In josaa offical site in the section of INSTRUCTIONS TO CANDIDATES , it is clearly mentioned you have to submit - class 12th marksheet / state of eligibility proof . That means you can submit class 12th marksheet for state of eligibility proof.

Also check out the following offical link to know which document to upload :-
https://josaa.nic.in/webinfo/File/GetFile?FileId=23&LangId=P

Also check out the following link to know More about josaa 2020 counselling :-
https://engineering.careers360.com/articles/josaa-counselling