In Tamil Nadu Higher Secondary exams began today. It will continue till the 25th of this month. A total of eight lakh 21 thousand 057 students are appearing for the exam in 316 centres across the State. More than 45 thousand teachers will be supervising the students. Over 4800 flying squad personnel will be involved in surprise checks in the exam centres. Mobile phones are prohibited at the exam centres. 11th Standard exams will begin on the 5th and will continue till the 27th of this month. Tenth Standard Board exams will begin on the 28th and will continue till the 15th of next month.