law: Railways Act, 1989
  113. Notice of railway accident.  
  (1) Where, in the course of working a railway
  (a) any accident attended with loss of any human
  
  life, or with grievous hurt, as defined in the Indian Penal Code (45 of 1860),
  
  or with such serious injury to property as may be prescribed; or
  (b) any collision between trains of which one
  
  is a train carrying passengers; or
  (c) the derailment of any train carrying
  
  passengers, or of any part of such train; or
  (d) any accident of a description usually
  
  attended with loss of human life or with such grievous hurt as aforesaid or
  
  with serious injury to property; or
  (e) any accident of any other description
  
  which the Central Government may notify in this behalf in the Official Gazette,
  
  occurs, the station master of the station nearest to the place at which the
  
  accident occurs or where there is no station master, the railway servant in
  
  charge of the section of the railway on which the accident occurs, shall,
  
  without delay, give notice of the accident to the District Magistrate and
  
  Superintendent of Police, within whose jurisdiction the accident occurs, the
  
  officer in charge of the police station within the local limits of which the
  
  accident occurs and to such other Magistrate or police officer as may be
  
  appointed in this behalf by the Central Government.
  (2) The railway administration within whose jurisdiction the
  
  accident occurs, as also the railway administration to whom the train involved
  
  in the accident belongs, shall without delay, give notice of the accident to
  
  the State Government and the Commissioner having jurisdiction over the place of
  
  the accident.