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 235] [Entire Act] Union of India - Subsection Section 235(7) in The Coal Mines Regulations, 2011 (7)Underground pipe lines carrying methane shall be installed on the floor or hung from the roof in the return air way which shall be plotted on the mine plan.