"17. ....One of the conditions for exercising power under Article 226 for issuance of a mandamus is that the Court must come to the conclusion that the aggrieved person has a legal right, which entitles him to any of the rights and that such right has been infringed. In other words, existence of a legal right of a citizen and performance of any corresponding legal duty by the State or any public authority, could be enforced by issuance of a writ of mandamus. “Mandamus” means a command. It differs from the writs of prohibition or certiorari in its demand for some activity on the part of the body or person to whom it is addressed. Mandamus is a command issued to direct any person, corporation, inferior courts or Government, requiring him or them to do some particular thing therein specified which appertains to his or their office and is in the nature of a public duty. A mandamus is available against any public authority including administrative and local bodies, and it would lie to any person who is under a duty imposed by a statute or by the common law to do a particular act. In order to obtain a writ or order in the nature of mandamus, the applicant has to satisfy that he has a legal right to the performance of a legal duty by the party against whom the mandamus is sought and such right must be subsisting on the date of the petition (Kalyan Singh vs. State of U.P. [AIR 1962 SC 1183] ). The duty that may be enjoined by mandamus may be one imposed by the Constitution, a statute, common law or by rules or orders having the force of law...."
