Section 13. The Lieutenant Governor may, from time to time as he may thin Lieutenant Governor

13. The Lieutenant Governor may, from time to time as he may thin Lieutenant Governor I fit, reduce all or any of'the tolls payable under this Act, i may alter tolls. respect of all vessels or of any particular class or classes ( vessels, and again raise such tolls to any amount not ex6eeding the amoun hereinbefore specified. He may also prescribe a mode or modes of mensuiq ment for burden diffe~ing from those prescribed in Section 3 of this Act ; prov. ded that the tolls payable under such new mode or modes of measurement shal not exceed the amount specified ,as aforesaid. 14. Whenever, in the opinion of such officer as the Lieutenant Governo shall appoint in this behalf, the construction of any bAndh~ any part of the Ganges -between Allahabad and Dinaporc is likely to cause obstruttion to the free and safe navigatio of such part, lie may by notice in writing, to be served o~ the owner or person i charge of such bhndhkl or other contrivance, or, if such owner or other perso cannot be found, to be affixed at some conspicuous place in the nearest village prohibit the construction of such bAnd1161 or oth& contrivance.