Hans Muller Of Nurenburg vs Superintendent, Presidency Jail 1955 AIR 367, 1955 SCR (1)1284 : Article 21 guarantees the protection of personal liberty to citizen and foreigner alike. No person can be deprived of his personal liberty “except according to procedure established by law”,
Louis De Raedt v. Union of India [1991] 3 SCC 554 : The fundamental right of the foreigner is confined to Article 21 for life and liberty and does not include the right to reside and settle in this country, as mentioned in Article 19(1)(e), which is applicable only to the citizens of this country.