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 164(1)] [Section 164] [Entire Act] Union of India - Subsection Section 164(1)(d) in The Coal Mines Regulations, 2011 (d)such air-duct shall be so maintained as to minimize any leakage or air and to ensure an adequate supply of air to within 3.0 metres of the face or blind end.