(3)A licence may be renewed by the authority empowered to grant such licence:Provided that a licence which has been granted by the Chief Controller may be renewed without any alteration by a Controller duly authorised by the Chief Controller in this behalf:Provided further that a licence, which has been granted by the District Magistrate, may be renewed without any alteration by a Sub-Divisional Magistrate or an Executive Magistrate duly authorised by the District Magistrate in this behalf.