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 162] [Entire Act] Union of India - Subsection Section 162(2) in The Coal Mines Regulations, 2011 (2)The space between the frame of every ventilation door and the roof and sides of the roadway shall be built up with masonry or concrete; not less than 25 centimetres in thickness.