'4.I further submit that it is only in accordance with the above powers and on the basis of the requests made by the petitioner vide his application dated 03.06.2011, the property of the petitioner was assessed. Before the said assessment the land of the petitioner was inspected by the concerned officers. Since the application is made in the year 2011, retrospectively the property can be assessed form the year 2005. For the period between 01.04.2005 to 01.10.2006, as per the then existing rate as Rs.397/- per Sq.ft., his half yearly tax liability is Rs.44,685/-. For the subsequent period between 01.04.2007 to 01.10.2007, at the rate of Rs.700/- per Sq.ft., his half yearly tax liability was Rs.78,789/-. Admittedly, the petitioner had purchased the property on 13.06.2008 for the value of Rs.1,90,09,500/-. Therefore, his half yearly tax liability for the period between 01.04.2008 to 01.04.2009 was Rs.2,13,857/-. In the meantime, the Government vide G.O.Ms.No.151, M.A. & W.S. Department dated 20.08.2009 had decided to impose property tax on vacant land on Sq.ft., basis, subject to minimum to maximum rates as fixed by the Government. Appropriate amendments were issued to the relevant provisions of the Act. According to the said Government Order this Corporation areas which