( l) The State protected monuments specified in the First Schedule shall remain open during the hours specified against them in that Schedule, State protected monuments which are not so specified and to which neither rule 3 nor rule 4 applies shall remain open from sunrise to sunset :
Provided that an archaeological officer by notice 10 be exhibited in a conspicuous part of the monument, direct that a State Protected monument, or part thereof shall be closed temporarily for such periods as may be specified in the notice.
(2) Nothing in this rule or in rule 6 shall apply to an archaeological officer, his agents, subordinates and workmen or to any other Government servant on duty at a State protected monument.