Question:

For calculating fractions, imprisonment for life is reckoned as equivalent to

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Do not confuse Section 57 IPC with Section 433A CrPC.
Section 433A CrPC states that where a sentence of life imprisonment is imposed on conviction, such person shall not be released from prison unless he has served at least 14 years of imprisonment.
Updated On: Jul 7, 2026
  • 14 years
  • 14 years, unless otherwise provided
  • 20 years
  • 20 years, unless otherwise provided
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The Correct Option is D

Solution and Explanation

Step 1: Understanding the Question:
The question asks about the statutory duration used for the mathematical calculation of fractional terms of punishment when a sentence of life imprisonment is involved under Indian criminal law.

Step 2: Key Legal Principles and Approach:

The relevant statutory provision is Section 57 of the Indian Penal Code, 1860 (now Section 9 of the Bharatiya Nyaya Sanhita, 2023).
This section sets up a legal fiction for the limited purpose of calculating fractions of punishments.

Step 3: Detailed Explanation:


Concept of Life Imprisonment: In terms of actual execution, life imprisonment means imprisonment for the remaining natural life of the convict, as established in the landmark case of Gopal Vinayak Godse v. State of Maharashtra.

• It does not automatically expire after 14 or 20 years unless the appropriate government passes a formal order of remission under Section 432 of the Code of Criminal Procedure (CrPC).

Need for Fractions: In certain cases, such as an attempt to commit an offence (Section 511 IPC) or abetment, the law prescribes a punishment that is a fraction (e.g., one-half or one-fourth) of the maximum term of imprisonment prescribed for that offence.

• When the maximum term prescribed is life imprisonment, it is mathematically impossible to calculate a fraction of a person's "natural life".

Section 57 Solution: To resolve this mathematical challenge, Section 57 provides that, in calculating fractions of terms of punishment, imprisonment for life shall be reckoned as equivalent to imprisonment for twenty years.

Unless Otherwise Provided: The term is specifically equivalent to 20 years for calculations, unless any other specific provision of law overrides this standard rule.

• Therefore, Option (D) represents the most legally precise statement.

Step 4: Final Answer:

For the purpose of calculating fractions of punishment, life imprisonment is statutory equated to 20 years, unless otherwise provided by law, making Option (D) the correct answer.
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