• No person shall be deprived of his life and personal liberty except according to procedure established by law.
• For both citizen and non citizen.
• Gopalan Case- Narrow interpretation of Art.21
• In Meneka Case- Wider interpretation of Art.21, Gopalan case over-ruled.
• Include various rights within itself that cover human dignity, respect, all aspects that make life meaningful, worth and complete. (35 rights)
• The scope of Article 21 of the constitution was expanded to include the Right of Education, because of the decision of the Supreme Court in the case of Unnikrishnan vs Andhra Pradesh.