To a person who is a Hindu by religion in any of its forms or developments including a Virashaiva, a Lingayat or a follower of the Brahmo, Prarthana or Arya Samaj;

To any person who is a Buddhist, Jaina or Sikh by religion;

To any other person domiciled in the territories to which this Act extends who is not a Muslim, Christian, Parsi or Jew by religion, unless it is proved that any such person would have been governed by the Hindu law or by any custom or usage as part of that law in respect of any other matters dealt with herein if this Act had not been passed.