Indian criminal law | Updated October 2026

IPC Section 73: Solitary Confinement and BNS Section 11

Section 73 of the Indian Penal Code, 1860, governed judicial orders for solitary confinement. Its corresponding provision is Section 11 of the Bharatiya Nyaya Sanhita, 2023 (BNS), in force from 1 July 2024. Both prescribe when a court may order solitary confinement and the maximum aggregate duration.

Current-law reference: BNS Section 11 concerns the power to impose solitary confinement; BNS Section 12 separately restricts how such confinement may be executed. For earlier offences, the IPC and applicable saving and transitional provisions remain relevant.

What is solitary confinement?

Solitary confinement is a form of imprisonment involving separation from other prisoners. Under these provisions, it is not an independent punishment available in every criminal case. The sentencing court must have power to award rigorous imprisonment for the offence and must expressly order solitary confinement as part of the sentence. Its execution is subject to further statutory limits and constitutional safeguards.

Section 73 IPC: statutory rule

Under Section 73, where a person is convicted of an offence for which the court may sentence the offender to rigorous imprisonment, the court may direct solitary confinement for a portion or portions of the imprisonment. The total solitary confinement cannot exceed three months and is subject to the following scale:

Term of imprisonment imposed	Maximum aggregate solitary confinement
Six months or less	One month
More than six months, up to one year	Two months
More than one year	Three months

The original IPC rule is preserved here for historical reference and cases to which the IPC continues to apply.

BNS Section 11: corresponding current provision

Section 11 of the Bharatiya Nyaya Sanhita, 2023 substantially carries forward the same rule. The court may impose solitary confinement only in a case in which rigorous imprisonment is legally available, and the maximum total duration depends on the sentence as set out above. The phrase may makes this a judicial discretion, not an automatic consequence of conviction.

Limits on execution: IPC Section 74 and BNS Section 12

The maximum total duration is not permission to keep a prisoner isolated continuously for that entire period. BNS Section 12, corresponding to IPC Section 74, provides additional restrictions:

Solitary confinement must not exceed fourteen days at a time, with intervals of at least equal duration between periods.
Where the imprisonment awarded exceeds three months, solitary confinement must not exceed seven days in any one month, with intervals of at least equal duration.

These limits must be read together with the maximum aggregate period in Section 11.

Practical examples

Example 1: For a sentence of five months' rigorous imprisonment, the statutory aggregate ceiling under Section 11 is one month. The separate execution limits under Section 12 also apply.

Example 2: For a sentence of ten months' rigorous imprisonment, the aggregate ceiling is two months. Because the sentence exceeds three months, confinement is additionally limited to seven days in any one month.

Example 3: For a sentence of two years' rigorous imprisonment, the aggregate ceiling is three months, again subject to the seven-days-per-month restriction and mandatory intervals.

Judicial safeguards and prison administration

Solitary confinement ordered as part of a sentence must be distinguished from administrative segregation or protective custody in prison. Prison authorities cannot treat the sentencing provision as unrestricted authority to impose punitive isolation. Constitutional protections, applicable prison laws, judicial decisions and the individual circumstances remain important. In particular, prolonged or arbitrary isolation may raise issues under Articles 14 and 21 of the Constitution.

Frequently asked questions

Is solitary confinement mandatory after conviction?

No. Section 11 authorises the court to order it only where the statutory conditions are met; it does not require the court to do so.

Can a court order three months of continuous solitary confinement?

No. Three months is the highest aggregate ceiling under Section 11. Section 12 separately restricts individual periods and requires intervals.

Does IPC Section 73 still matter?

Yes. It remains relevant to historical interpretation and to cases governed by the earlier law, subject to applicable transitional and saving provisions.

Official legal sources

Note: This article provides general legal information. Application to a particular sentence requires examination of the judgment, applicable law and judicial directions.