After giving the necessary statutory notice to the respondent, the appellant, on or about March 31,1950, filed a suit in the Court of the Civil Judge, Senior Division, Poona, being Suit No. 76 of 1950, against the respondent for a declaration that the levy and imposition of the said tax with effect from October 1, 1920, were invalid and illegal; that the enhancement in the rates of the tax with effect first from June 3, 1941, and then June 9, 1948, was invalid and illegal and that the resolutions passed and rules framed in connection with the levy, imposition, enhancement and collection of the said impugned tax were invalid, illegal and ultra vires, for a permanent injunction restraining the defendants from levying or recovering and or increasing and enhancing the said tax and for refund to the appellant of the amounts of the tax collected from it and for costs of the suit and interest.