REPUBLIC v. GHANA INDUSTRIAL HOLDING CORPORATION AND ANOTHER; EX PARTE APPIAH AND OTHERS State proceedings—Certiorari—Application—Conditions under which an order of certiorari would lie—Government directive to the management of respondent-corporation to dismiss workers who carried out workers’ demonstration—Directive of government complied with—Claim of denial of natural justice by dismissed workers—Whether certiorari would lie to quash the government directive.