Hello Aravindhan,

Tamil Nadu board conducts the class 10th(HSC) and class 12th(SSLC) board exams for students studying in schools of Tamil Nadu that are affiliated to the Tamil Nadu board. The exams for class 12th will take placefrom 14th - 29th March, 2019 and the results are expected to be declare in May,2019. No exact date is known at this point.Keep an eye on the notification of the official website.