- Mandamus cannot be issued against a private individual or body unless they are discharging a public function. - It cannot be issued against the President or the Governor. - It cannot be issued against a High Court acting in its judicial capacity. - Other writs: Habeas Corpus (to release a person from unlawful detention), Prohibition (to prevent a lower court/tribunal from exceeding jurisdiction), Certiorari (to quash an order of a lower court/ tribunal for error of law or excess of jurisdiction), Quo Warranto (to challenge the legality of a person holding a public office).