It was a noisy Deepavali in Tirupur, says study
Tirupur: It turned out to be a noisy and polluted Deepavali in Tirupur city this year. This was revealed in the ambient air quality and noise pollution surveys conducted by the District Environmental Laboratory (DEL) of the Tamil Nadu Pollution Control Board here during the Deepavali day and on the day prior to it. DEL additional manager P.P.