(1)In every mine, daily personal supervision shall be exercised by the manager:Provided that in case of working belowground, he shall visit and examine the working on at least four days in every week to ensure safety in every respect:Provided further that at least one visit in every fortnight shall be made during the night shift:Provided also that where owing to any unavoidable cause he is unable to carry out the aforesaid duties or inspections, he shall record the reasons for the same in the book kept under sub-regulation (2).
