(1) a writ of mandamus(2) No error of law has been shown that would attract the writ of mandamus .(3) Because if one is speaking about prohibition and mandamus, prohibition and mandamus are concerned with duties.(4) The same would apply if an order of mandamus were made.(5) A writ of mandamus was sought and granted by the High Court.(6) an order of mandamus(7) Nonetheless I think that it is preferable to remit the question to him rather than to grant an order of mandamus requiring the Commissioner to grant leave.