Kohima, May 4, 2026: The Deputy Commissioner of Kohima has issued updated guidelines to regulate noise levels across the district, in line with the Noise Pollution (Regulation and Control) Rules, 2000, as well as directions from the Central Pollution Control Board (CPCB) and the National Green Tribunal (NGT).
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Under the new guidelines, areas have been categorized into industrial, commercial, residential, and silence zones, with specified permissible sound levels. Industrial areas are set at 75 dB during the day and 70 dB at night, while commercial areas are limited to 65 dB (day) and 55 dB (night). Residential zones are capped at 55 dB (day) and 45 dB (night).
Silence zones - covering areas within 100 metres of hospitals, schools, and courts—have stricter limits of 50 dB during the day and 40 dB at night.
The use of loudspeakers and public address systems has been restricted between 10:00 PM and 6:00 AM, except in enclosed spaces where sound does not extend outside. Diesel generator (DG) sets are advised to be equipped with appropriate sound control measures.
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The use of firecrackers during late-night hours has also been regulated, with environmentally safer options recommended during festivals.
Owners of venues such as marriage halls, hotels, and community spaces are encouraged to ensure that sound systems are used responsibly and in accordance with local permissions. Event organisers are advised to obtain necessary approvals before using amplified sound.
Local administrative and police officials have been tasked with facilitating implementation and spreading awareness about the guidelines. The administration has urged citizens to cooperate in maintaining a peaceful and healthy environment.
Officials stated that the initiative is aimed at promoting public well-being and environmental responsibility, and the guidelines are effective immediately.
