(1)Notwithstanding anything contained in this Act, every person who at the commencement of the Hyderabad Tenancy and Agricultural Lands (Amendment) Act, 1955 holds as tenant any land in respect of which he is not deemed to be a protected tenant under this Act, shall be deemed to be a protected tenant if the total area of the land owned by the landholder including the land under the cultivation of his tenants is more than three times the area of a family holding for the local area concerned:Provided that nothing in this section shall affect the rights of any other person who already holds a protected tenancy certificate in respect of such land or whose rights as protected tenant are under investigation before a competent authority, if such other person applies to the Tribunal for safeguarding his rights within a period of six months from the commencement of the Hyderabad Tenancy and Agricultural Lands (Amendment) Act, 1955.