Tamil Nadu Plus One Marking Scheme 2023 Progress by Conducting Three Board Examinations-One at the End of Class 10 and the Others at the End of Class 11th. The Scores From the Class 11th (Combined With the Class 11)Board Tamil Nadu Plus One Marking Scheme 2023 Examinations are Used by Universities To Determine Eligibility and as a cut-off for Admissions Into Their Programmers.