Permitted noise levels in India - Environment & Biodiversity

Q.  Which of the following zones are correctly matched with their permitted noise level?

1) Industrial --------- 90 dB
2) Commercial ----- 75 dB
3) Residential ------- Silence Zone
4) Courts ------------- 55 dB

- Published on 31 Aug 15

a. Only 1 and 2
b. Only 2 and 3
c. Only 3
d. None of the above

ANSWER: None of the above
Noise Regulation Rules under the Environment Protection Act, 1986 regulate noise levels in industrial (75 dB), commercial (65 dB) and residential zones (55 dB). It also establishes zone of silence (100m) near schools, courts, hospitals, etc.

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