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Noise mapping is an important process to ensure that noise level at any location do not reach to harmful levels and it also provides, the details of noise exposure level. 2D and 3D noise mapping has been carried out at major roads passing through densely populated commercial area namely, connaught cicus, middle circle and Rajiv Chowk along with major intersections. The monitoring has been carried out during the peak traffic hours of the day and night using Sound Level Meter (SLM) Larson & Davis 831 as per standard rules and regulations. The maximum noise level was observed at outer circus and minimum was at Rajiv chowk.
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