CSAT (Aptitude)·Key Methods

Valid and Invalid Arguments — Key Methods

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Version 1Updated 6 Mar 2026

Key Methods

Kesavananda Bharati v. State of Kerala

1973

While not directly about 'validity' in a formal logical sense, this landmark judgment exemplifies the application of rigorous logical reasoning in constitutional interpretation.…

Puttaswamy v. Union of India (Right to Privacy case)

2017

This judgment declared the right to privacy as a fundamental right under Article 21 of the Constitution. The nine-judge bench engaged in extensive logical reasoning, drawing…

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