Indian Ports Act, 1908
34. Variation of port-dues by Government
The Government may after consulting,-
(a) in case of ports other than major ports, the authority
appointed under section 36;
(b) in case of major ports, the Authority constituted under
section 47A of the Major Port Trust Act, 1963, exempt, subject to such
conditions, if any, as it thinks fit to impose, any vessel or class of vessels
entering a port subject to this Act from payment of port-dues and cancel the
exemption, or may vary the rates at which port-dues are to be fixed in the
port, in such manner as, having regard to the receipts and charges on account
of the port it thinks expedient, by reducing or raising the dues, or any of
them or may extend the periods for which any vessel or class of vessels
entering a port shall be exempt from liability to pay port-dues:
Provided that the rates shall not in any case exceed
the amount authorized to be taken by or under by or under this Act.]