Hello aspirant

hope you doing fine and good

As per your query, I would like to say you first to get chill and not worried at all . If you do not have latest updated certificate but uploaded at the time of jee main application ,then their is dont need to worry . I would like to say you that at that time of counselling and verification of documents you definately going to need originals certificate

Hope you found this answer helpful. Good luck for your future