Board Exam starts std. XII View Calendar 2018-03-01 10:00 - 18:00 chrompet. Phone:987654321Website:https://www.nsnschools.com Address: Dr. Rajendra Prasad Road Nehru Nagar Chrompet Chennai - 600044 Submission of duty list and seating arrangements for SA III for Std. I – IX. Board Exam starts std. XII Half day begins