Section 127A and section 135 which create and levy the charge of property 3 tax having been inserted in the Municipalities Act and the Municipal Corporation Act respectively with effect from April 1, 1976 i.e. subsequent to the insertion of clause (d) in section 69 of the Act of 1973, Respondent 1 was incompetent to exercise the powers of the Municipality or the Municipal Corporation under section 127A of the Municipal Corporation Act or section 136 of the Municipal Corporation Act; (2) that respondent 1 cannot impose the property tax without following the procedure prescribed by section 129 of the Municipalities Act and section 133 of the Municipal Corporation Act; (3) that Article 285(1) of the Constitution envisages that the property of the Union shall save in so far as Parliament may by law otherwise provide be exempt from all taxes imposed by a State or by any authority within a State.