(1) If the authority is satisfied from the report of an officer incharge of a police station or other information received by him that it is necessary to do so in order to prevent annoyance, disturbance, discomfort or injury or risk of annoyance, disturbance, discomfort or injury to the public or to any person who dwell or occupy property on the vicinity, he may, by a written order issue such directions as he may consider necessary to any person for preventing, prohibiting, controlling or regulating: -
(a) the incidence or continuance in or upon any premises of-
(i) any vocal or instrumental music,
(ii) sounds caused by playing, beating, clashing, blowing or use in any manner whatsoever of any instrument including loudspeakers, public address systems, appliance or apparatus or contrivance which is capable of producing or re-producing sound, or
(b) the carrying on in or upon, any premises of any trade, avocation or operation or process resulting in or attended with noise.
(2) The authority empowered under sub-rule (1) may, either on its own motion, or on the application of any person aggrieved by an order made under sub-rule (1), either rescind, modify or alter any such order:
Provided that before any such application is disposed of, the said authority shall afford to the applicant an opportunity of appearing before it either in person or by a person representing him and showing cause against the order and shall, if it rejects any such application either wholly or in part, record its reasons for such rejection.
8 THE GAZETTE OF INDIA • EXTRAORDINARY [ PART II—SEC 3(n)
SCHEDULE (see rule 3(1) and 4(1) Ambient Air Quality Standards in respect of Noise Area Code (A) (B) (C) (D) Category of Area/Zone Industrial area Commercial area Residential area Silence Zone Limits in Day Time 75 65 55 50 dB(A) Leq * Night Time 70 55 45 40 Note:-1. Day time shall mean from 6.00 a.m. to 10.00 p.m.
2. Night time shall mean from 10.00 p.m. to 6.00 a.m.
3. Silence zone is defined as an area comprising not less than 100 metres around hospitals, educational institutions and courts. The silence zones are zones which are declared as such by the competent authority.
4. Mixed categories of areas may be declared as one of the four above mentioned categories by the competent authority.
*dB(A) Leq denotes the time weighted average of the level of sound in decibels on scale A which is relatable to human hearing.
A "decibel" is a unit in which noise is measured.
"A", in dB(A) Leq, denotes the frequency weighting in the measurement of noise and corresponds to frequency response characteristics of the human ear.
Leq : It is an energy mean of the noise level over a specified period.
[F. No Q-14012/1/96-CPA] VIJAI SHARMA, Jt. Secy.
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