Section 57 of The Indian Penal Code, 1860 View Chapter 3

Fractions of terms of punishment

In calculating fractions of terms of punishment, 1 [imprisonment] for life shall be reckoned as equivalent to 57 [imprisonment] for twenty years.

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Footnote:-

1. Subs. by Act 26 of 1955, s. 117 and the Sch., for "transportation" (w.e.f. 1-1-1956).