Nothing contained in section 74 shall prejudice or affect—
(a) any right of the consignor for stoppage of goods in transit as an unpaid vendor [as defined under the Sale of Goods Act, 1930 (3 of 1930)] on his written request to the railway administration;
(b) any right of the railway to claim freight from the consignor; or
(c) any liability of the consignee or the endorsee, referred to in that section, by reason of his being such consignee or endorsee.