Affidavits of illiterate or visually challenged persons require attester certification that the affidavit was read, explained and understood. Affidavits sworn or affirmed by illiterate, visually challenged or linguistically unacquainted persons require the attester to certify that the affidavit was read, explained or translated to the deponent, that the deponent appeared to understand it, and that the deponent made his signature or mark in the presence of the attester, with all particulars as specified in GSTAT FORM.