AP SBTET C16, Er-91 Notification March 2021 Version Download 125 File Size 273.18 KB File Count 1 Create Date March 9, 2021 Last Updated March 9, 2021 Download DescriptionSBTET-AP MAR/APR-2021 DIPLOMA EXAMINATIONS FOR C-16 & ER-91 SCHEME NOTIFICATION-REG.