JNTUK releases the preliminary answer key of AP EAPCET on its website (https://cets.apsche.ap.gov.in/EAPCET/Eapcet/EAPCET_HomePage.aspx) in PDF format that can be downloaded after login using AP EAMCET application number and hall ticket number. Candidates can challenge the preliminary answer key only. They need to submit their objection in a prescribed format along with supporting documents to the concerned authority.