Nothing in this Chapter shall confer jurisdiction on the Tribunal in respect of--
         (a) classification or re-classification of any commodity;
         (b) fixation of wharfage and demurrage charges (including conditions attached to such charges);
         (c) fixation of fares levied for the carriage of passengers and freight levied for the carriage of luggage, parcels, railway material and military traffic; and
         (d) fixation of lump sum rates.