Hello aspirant,

Your question isn't clear as it doesn't mention which certificate you are talking about. If you wish to avail your caste reservation, then you need to upload your caste certificate during counselling. If you wish to avail colleges with State quota seat (85%) then you need to upload your domicile certificate (the state from which you passed your 12th boards).

Since your question isn't clear this is all that I can do to guide you.
Hope this helps!