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 232] [Entire Act] Union of India - Subsection Section 232(5) in The Coal Mines Regulations, 2011 (5)A coal barrier of not less than 150 metre in thickness shall be maintained in the same seam from old boreholes and present working of the mine from where extraction of methane is in progress.