The Tamil Nadu Pollution Control Board (TNPCB) monitors noise levels through ten stations at Egmore Eye Hospital, Triplicane, T Nagar, Anna Nagar, Pallikaranai, Washermanpet, Velachery, Sowcarpet, Guindy and Perambur. According to officials, Guindy has the highest noise levels. An official adds, “The noise levels continue to be alarming in several parts of the city and Guindy among them tops the list. The Egmore Eye Hospital station record relatively low levels; we wanted to place