High-decibel firecrackers that were banned in the state even a few days ago are set to rule once again during the coming festive season The National Green Tribunal has ordered relaxation of the firecracker noise norm in Bengal from 90 decibel at 5 metres from the source to the less stringent central standard of 125 decibel at 4 metres from the ... (more)
http://www.telegraphindia.com/1130829/jsp/calcutta/story_17271527.jsp
http://www.telegraphindia.com/1130829/jsp/calcutta/story_17271527.jsp
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