law: Railways Act, 1989
  24. Temporary suspension of traffic. 
  When an accident has occurred on a railway resulting in a
  
  temporary suspension of traffic, and either the original lines of rails and
  
  works have been restored to their original standard or a temporary diversion
  
  has been laid for the purpose of restoring communication, the original lines of
  
  rails and works so restored, or the temporary diversion, as the case may be,
  
  may, without prior inspection by the Commissioner, be opened for the public
  
  carriage of passengers, subject to the following conditions, namely:- 
  (a) the railway servant incharge of the works undertaken by
  
  reason of the accident has certified in writing that the opening of the
  
  restored lines of rails and works, or of the temporary diversion will not in
  
  his opinion be attended with danger to the public; and
  (b) a notice of the opening of the lines of rails and works or
  
  the diversion shall he sent immediately to the Commissioner.