law: Railways Act, 1989
  29. Power to make rules in respect of matters in this
  
  Chapter. 
  (1) The Central Government may, by notification, make rules to
  
  carry out the purposes of this Chapter.
  (2) In particular, and without prejudice to the generality of
  
  the foregoing power, such rules may provide for all or any of the following
  
  matters, namely:- 
  (a) the duties of a railway administration and
  
  the Commissioner in regard to the opening of a railway for the public carriage
  
  of passengers;
  (b) the arrangements to be made for and the
  
  formalities to be complied with before opening a railway for the public
  
  carriage of passengers;
  (c) for regulating the mode in which, and the
  
  speed at which rolling stock used on railways is to be moved or propelled, and
  (d) the cases in which and the extent to which
  
  the procedure provided in this Chapter may be dispensed with.