JUDGMENT By this petition under Art. 226 of the Constitution the petitioner seeks to challenge the order dated 17th Sept. 1990 passed by the Additional District Magistrate, Indore in exercise of powers conferred by S. 17 (3) (b) of the Arms Act, 1959, here in after called 'the Act' thereby revoking the petitioner's licence. It is an admitted position that before passing the impugned order filed as Annex. 'C' to the petition, the petitioner was not either noticed or afforded an opportunity of being heard. Shri Nigam learned Govt. Advocate submits that neither the Act nor the rules require any such opportunity being given before revocation of a licence. Now it is well settled proposition of law that any order contemplated by public authority which adversely affects the right of charge, even if rules do not provide for the authority any such opportunity of hearing, such opportunity must he afforded before passing any order. The rules of audi alteram partem applies to such cases. In view of this admitted position, the impugned order which has been passed without giving any opportunity of hearing to the petitioner is liable to he quashed. It is accordingly quashed. It is open to the authority to pass any suitable order after affording reasonable opportunity to the petitioner. We do not go into other grounds of attack raised by the petitioner. The petition stands allowed with no order as to costs.