Practical exams begin for Plus 2 students in Tamil Nadu Updated: Updated: Directorate of Government Examinations had issued an SoP for the conduct of the practicals. Share Article AAA Plus 2 students of Sir Sivaswamy Kalalaya at the Chemistry practical exam in Chennai on Friday. | Photo Credit: Raghunathan SR Directorate of Government Examinations had issued an SoP for the conduct of the practicals. Practical exams for nearly two lakh science group students commenced in State Board schools across the state on Friday. The Directorate of Government Examinations (DGE) had issued an SoP for the conduct of the practicals and all students and staff had to compulsorily wear masks as well as ensure physical distancing norms in the school labs.