Central Government Act
Section 14(1)(b) in The Arms Act, 1959
(b) a licence in any other case under Chapter II,--
where such licence is required by a person whom the licensing authority has reason to believe--
to be prohibited by this Act or by any other law for the time being in force from acquiring, having in his possession or carrying any arms or ammunition, or
to be of unsound mind, or
to be for any reason unfit for a licence under this Act; or
where the licensing authority deems it necessary for the security of the public peace or for public safety to refuse to grant such licence.