All Candidates have to be physically present for Document verification as per the notification: https://tseamcet.nic.in/TSEAMCET2020DETAILEDNOTIFICATION.pdf . Candidates can choose their convenient and nearest help line center for certificate verification while registering. Here is the link of the Centers https://tseamcet.nic.in/TSEAMCET_2020_ANNEXURE_I.pdf . So for all Candidates either local or non local, the mode of document verifications is through physical presence.