Section 172(4) in Uttar Pradesh Municipal Corporation Act, 1959
(4)Nothing in this section shall authorize the imposition of any tax which the State Legislature has no power to impose in the State under the Constitution of India:Provided that where any tax was being lawfully levied in the area included in the City immediately before the commencement of the Constitution of India such tax may continue to be levied and applied for the purposes of this Act until provision to the contrary is made by Parliament.Property Taxes