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 80(11)] [Section 80] [Entire Act] Union of India - Subsection Section 80(11)(b) in The Coal Mines Regulations, 2017 (b)The gap, both vertical and horizontal, between the protective roofing and the top of cage, when the cage is at the bottom of the shaft, shall not exceed 15 centimeters.