Unlock Advanced Research with PRISMAI Integrated with over 4 crore judgments and laws — designed for legal practitioners, researchers, students and institutions - Know your Kanoon - Doc Gen Hub - Counter Argument - Case Predict AI - Talk with IK Doc - ... Upgrade to Premium Document Options Get in PDF Print it! [Cites 0, Cited by 0] [Section 481] [Entire Act] NCT Delhi - Subsection Section 481(21) in The Delhi Municipal Corporation Act, 1957 (21)the regulation of the use in any factory, workshop or trade premises of whistle, trumpet, siren, or horn worked by steam, compressed air, electricity or other mechanical means;