Slight improvement in city’s sound pollution
Sound levels at three major spots in the city are up to 75 decibel, above the maximum permissible limit of 50 decibel, according to a study. The Kochi chapter of the Indian Medical Association, which
Sound levels at three major spots in the city are up to 75 decibel, above the maximum permissible limit of 50 decibel, according to a study. The Kochi chapter of the Indian Medical Association, which