I have my EWS certificate .So I have to bring it during exam or not
In any exam, you are not supposed to bring your category certificate during the exam.
However, for some exams, you are required to upload the same during application process and sometimes during counselling after the result is out.
So, you are not required to take your EWS certificate along with you on the exam day.
However, you can carry if you wish but it is not needed.