law: Railways Act, 1989
  30. Power to fix rates. 
  (1) The Central Government may, from time to time, by general or
  
  special order fix, for the carriage of passengers and goods, rates for the
  
  whole or any part of the railway and different rates may be fixed for different
  
  classes of goods and specify in such order the conditions subject to which such
  
  rates shall apply.
  (2) The Central Government may, by a like order, fix the rates
  
  of any other charges incidental to or connected with such carriage including
  
  demurrage and wharfage for the whole or any part of the railway and specify in
  
  the order the conditions subject to Which such rates shall apply.