TN Road Rules & Road Signs Tamil : சாலை விதிமுறைகள் தமிழில் TN Road Rules - Tamilnadu Road Rules (சாலை விதிகள்) app was a free app and used in offline mode without an internet connection. Road Rules app was mainly designed and developed in Tamil Language with more users friendly. Road Rules App (சாலை விதிகள்) includes a in detailed where all type of vehicle riding people’s can understand what the rules be followed while driving the vehicle and the safety measurement be followed while driving.