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 Imagine having to pay for breaking a rule that didn't even exist back then, or being dragged to court twice for the same blunder. Sounds like a nightmare, right? Well, Article 20 of the Indian Constitution is here to make sure those legal horror stories don't come true! It's like your personal "get-out-of-jail-free" card, protecting you from unfair prosecution, double the trouble, and the dreaded pressure to spill your own beans. Let's explore these fascinating protections – where the law gets serious, but we don't have to!

Article 20 of the Indian Constitution forms a strong bulwark against arbitrary and unjust prosecutions. By safeguarding the principles of ex post facto laws, double jeopardy, and protection against self-incrimination, it upholds the fundamental values of fairness, transparency, and the presumption of innocence until proven guilty. These principles not only protect individuals' rights but also contribute to maintaining a just and equitable criminal justice system. This article enshrines three crucial rights:

     I.          Doctrine of Ex Post Facto Laws

  II.          Doctrine of Double Jeopardy

III.          Protection Against Self-Incrimination

                                                                                                                                 Doctrine of Ex post Facto laws

The first clause of Article 20 deals with the doctrine of ex post facto laws. This doctrine prohibits the retroactive application of criminal laws. In simpler terms, it means that a person cannot be punished for an act that was not considered a crime at the time it was committed. This is a fundamental principle of criminal law that ensures fairness and justice in the legal system. This Doctrine states that individuals cannot be convicted for an act that wasn't a crime at the time of its commission. Furthermore, they cannot be subjected to a harsher penalty than the one in force when the offense was committed.

Origin: The doctrine of ex post facto laws has its origins in the Roman legal system and has been recognized as a fundamental principle of justice in many legal systems around the world. This principle draws inspiration from natural justice and fairness. It prevents retroactive criminalization of actions and ensures that legal frameworks are transparent and predictable. The origin of this doctrine can be traced back to the Latin phrase "ex post facto," meaning "from a thing done afterward." It is rooted in the belief that fairness and justice demand that individuals should not be penalized for acts that were lawful when committed.

Legal Maxim: This doctrine, rooted in the Latin maxim "Nullum crimen sine lege, nulla poena sine lege" (No crime or punishment without a law).

Landmark Judgements: In the case of Kedar Nath Singh v. State of Bihar (1962), the Supreme Court of India held that the application of retrospective criminal laws violates the fundamental rights of individuals guaranteed under Article 20 of the Constitution.

Rattan Lal v. State of Punjab (1965): In this case, the Supreme Court upheld the doctrine against ex post facto laws, stating that an individual cannot be punished retrospectively for an act that wasn't illegal at the time of its commission.


Doctrine of Double Jeopardy

The second clause of Article 20 deals with the doctrine of double jeopardy. This doctrine prohibits a person from being prosecuted or punished twice for the same offence. It ensures that an individual is protected from harassment and oppression by the state through repeated prosecutions for the same offence. It safeguards against the abuse of legal processes and ensures that once a person has been acquitted or convicted of an offense, they cannot be subjected to further prosecution or punishment for the same act. It offers protection from repeated trials or re-opening cases even after a final judgment of acquittal or conviction.

Origin: The roots of this doctrine can be traced back to ancient Roman and Greek legal principles. The rationale is rooted in the prevention of unnecessary harassment and ensuring fairness. It recognizes an individual's right to not live under the perpetual threat of prosecution. It is deeply ingrained in the idea that subjecting an individual to repeated trials for the same offense is oppressive and contrary to the principles of justice.

Legal Maxim: The legal maxim "nemo debet bis vexari pro una et eadem causa" (no one should be punished twice for the same offence) reflects the essence of the doctrine of double jeopardy.

Landmark Judgements: In the case of Kalyani v. King Emperor (1933), the Privy Council held that the principle of double jeopardy is a fundamental right guaranteed to individuals under Article 20 of the Indian Constitution.

Maqbool Hussain v. State of Bombay (1953): A landmark case where the Supreme Court recognized the validity of the double jeopardy principle under Article 20(2) of the Indian Constitution.


Protection against self-incrimination

The third clause of Article 20 provides for protection against self-incrimination. This means that a person cannot be compelled to be a witness against himself in a criminal proceeding. This ensures that individuals are not coerced into confessing to crimes or providing evidence that may incriminate them. This protection against self-incrimination is based on the premise that it's the prosecution's duty to prove a person's guilt, not the accused's responsibility to prove their innocence. It allows a person to remain silent during interrogation or legal proceedings to avoid being forced to provide evidence that may be used against them.

Origin: The protection against self-incrimination has its origins in English common law and has been recognized as a fundamental principle of justice in many legal systems around the world. This principle finds its roots in the right against torture and the right to remain silent. It prevents authorities from using coercive measures or threats to force confessions from accused persons. The concept has historical roots in the belief that compelling someone to confess or testify against themselves is a violation of personal autonomy and dignity. It is a key feature of the adversarial legal system.

Legal Maxim: The legal maxim "nemo tenetur se ipsum accusare" (no one is bound to accuse himself) encapsulates the essence of the protection against self-incrimination.

Landmark Judgements: In the case of Nandini Satpathy v. P.L. Dani (1978), the Supreme Court of India held that the right against self-incrimination is a fundamental right guaranteed to individuals under Article 20 of the Indian Constitution.

M.P. Sharma v. Satish Chandra (1954): The Supreme Court held that protection against self-incrimination extends to all forms of compulsion, including physical and psychological, employed to extract information that could incriminate an accused.

Conclusion

In conclusion, Article 20 of the Indian Constitution provides for the protection of certain fundamental rights of individuals in the criminal justice system. The doctrines of ex post facto laws, double jeopardy, and protection against self-incrimination ensure that individuals are protected from arbitrary actions by the state and are guaranteed a fair and just legal process. These principles are essential for upholding the rule of law and ensuring justice for all.