pune blaring music systems systems traditional troupes last mean solar day ganeshotsav decibel levels crossing permissible limit every year experts believe disturbance spoil earreach also lead psychological main immersion procession passes residential area allowable audio levels per ministry surround forests day db night unfortunately day leading final day procession restrain crossed huge look data last years shows pollution levels increased every year average noise pollution level topping data collected team students led assistant professor mahesh shindikar applied science department college engineering started passion shindikar college days become trusted source noise contamination data city pune relish celebrations ganeshotsav flick side competition respective mandals led increase noise levels picture friend programme helped decided check noise levels systematically years said chosen spots measure noise levels within interval four hours total readings taken per spot last day average spots taken average noise day place average spots considered noise level advance mean solar day students devices check noise take readings batches noon public treasury next day alarming traditional instruments restricted special number followed make up noise matches decibel level disc jockeys procession route along three nurse homes many dispensaries critical patients shifted places day shindikar worst about locations registering decibel level class shindikar also students advising erstwhile people masses babies prolong stay way procession worst affect police home guards stay spot hours sometimes imagine kind trauma eardrums get psychological effect worse people become get to angry violent easily set human beings safely exposed noise shindikar said people delay along procession route provided protective gear shindikar said also paint a picture parallel roads monitored djs playing checked put up higher stochasticity levels laxmi road tilak road confine pmc pollution control board needed mandals several groups come together decide restricted number people playing would utilise djs high decibel levels cooperation controlled shindikar added