1.Rarest of Rare Doctrine (Death Penalty)
What & Where
Definition: ‘Rarest of rare’ limits death penalty to exceptional murders shocking collective conscience in India
Process: Judge conducts sentencing hearing, applies Bachan Singh proportionality plus Machhi Singh five-factor test
Jurisdiction: Applied by Supreme Court + all High Courts under Articles 136, 142, 226
Quick Facts for MCQs
Legal & Policy
- Principle: Death penalty exception, life imprisonment rule, satisfies substantive due process under Article 21
- Safeguard: Judge must balance aggravating–mitigating factors; absence of alternative punishment bars gallows
- Ambiguity: No statutory criteria; heavy reliance on judicial precedent
Judicial Interpretation
- Category: Manner, motive, magnitude, impact, vulnerability guide rarity assessment
- Trend: Courts increasingly commute where reformation possible, cite evolving penology
- Contrast: Recent Kolkata RG Kar mercy vs Sharon double-murder gallows revives consistency debate
Constitutional Context
- Equality: Article 14 invoked against arbitrary mandatory sections, success in Mithu case
- Freedom: Article 19 freedoms limited only by procedure established by law, upheld in Jagmohan
- Life & Personal Liberty: Article 21 core; death sentence valid only via fair, just, reasonable law
Key Data Points
| Feature | Data-Point |
|---|---|
| First constitutionality case | Jagmohan Singh v UP (1972) |
| Doctrine established | Bachan Singh v Punjab (1980) |
| Mandatory death struck | Mithu v Punjab (1983) |
| Five-factor test case | Machhi Singh v Punjab (1983) |
| IPC section invalidated | Sec 303 (life-convict murder) |
| Key Articles examined | 14, 19, 21 |
| Discretion principle | Sentencer must record special reasons |
| Victim categories flagged | Child, woman, elderly, disabled |
| Motive threshold | Extreme moral depravity |
| Social conscience phrase | “Collective conscience of society” |










