candidates’ application was set up. 2015 New scheme of issuing provisional Mark Certificates (Temporary mark sheets) was introduced. 2016 Permanent Register Number was given to all pupil candidates who appeared for 10th / 12th Public examinations for the first time. Also Permanent Register Number was given to all Direct Private candidates (HP Type) who appear for the examination for the first time. This Permanent Register Number will be useful to the candidates for writing the examinations under compartmental system in future. 2016 System of issuing of Consolidated Mark Certificate for candidates who have first appeared and failed to pass in all the subjects was introduced from March / April 2016 Higher Secondary / SSLC Examination 2016 onwards. 2017 Cancellation of ranking system for SSLC and Hsc. introduction of public exam for 11th grade. Change of marks weightage of 1200 by dividing into two, one for 11th and another 12th so that 11th grade is for 600 and 12th for 600. changes in marksheet by adding both 11th and 12th. marks reduction of exam hours from three and half to 2 and half hours. 2019 Introduction of public examination for classes 5th and 8th. Exam time was increased to 3 hours. 2020 Cancellation of board examination for classes 5th and 6th References Government of Tamil Nadu Examinations in India 1975 establishments in Tamil Nadu Government agencies established in 1975