(2)In case of necessity the railway administration may enter upon the lands and do the works aforesaid without having obtained the previous sanction of the Government, but in such a case shall, within seventy-two hours after such entry, make a report to the Government, specifying the nature of the accident or apprehended accident, and of the works necessary to be done, and the power conferred on the railway administration by this sub-section shall cease and determine if the Government, after considering the report, considers that the exercise of the power is not necessary for the public safety.
