(1)Notwithstanding anything contained in this Act, if any person or institution unlawfully, developed any land or constructed any building on or before [31st March, 2013], the Government may after consultation with the concerned Municipality on realisation of a compounding fee as prescribed, regularise such land development or building construction:Provided that such regularisation shall not adversely affect any Town Planning scheme or master plan approved under the existing provisions of the Town Planning Act:Provided further that no building construction shall be regularised, which is done in contravention of the provisions in respect of the Security arrangements provided in this Act, or the Building Rules made thereunder.