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Section 151 — Arrest to prevent the commission of cognizable offences
151
151
Arrest to prevent the commission of cognizable offences
Code of Criminal Procedure, 1973
Chapter XI Preventive Action of The Police
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Reviewed by Advocate Aditi Babbar · Practicing since 3 years
📅 Updated 2026-04-11📚 Source: The Gazette of India
Preventive ActionPolice PowersArrestPublic Safety
🗣️ Simple Explanation
What does this law say? Section 151 of the CrPC allows police to arrest someone if they know a serious crime (cognizable offence) is about to happen.
Why does this law exist? This law helps stop serious crimes before they occur. It protects people and prevents harm.
Real-life impact If police believe you're planning a serious crime, they can arrest you. This is to prevent the crime from happening.
What happens if you break this law? You can be arrested without a warrant. You can be held for up to 24 hours while the police investigate.
💡 Real Life Example

Rahul is overheard planning a bank robbery. The police, knowing about the plan, can arrest him to prevent the robbery. Legal consequence: Rahul can be arrested without a warrant and held for investigation.

Priya is seen buying materials that could be used to make a bomb. The police, suspecting a serious crime, can arrest her. Legal consequence: Priya can be arrested to prevent a potential act of violence.

🛡️ KNOW YOUR RIGHTS
  • •Know why you are being arrested.
  • •Contact a lawyer immediately.
  • •Ask for your family to be informed.
  • •Cooperate with the police, but do not admit guilt.
❓ FREQUENTLY ASKED QUESTIONS
Section 151 allows police to arrest someone if they believe a serious crime is about to happen. This is to prevent the crime. The police can arrest you without a warrant. They can hold you for up to 24 hours while they investigate the situation. This is a preventive measure.
Yes, arrest under Section 151 is generally bailable. This means you can be released after providing bail. The police will decide if bail is granted. A court can also decide on bail. The main goal is to prevent a crime, not to punish you.
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Sources & References

📒 Legal text sourced from The Gazette of India & AdvocateKhoj Bare Acts Library

⚖️ Content reviewed by Advocate Aditi Babbar, with 3 years of legal practice

📚 Act Reference: Code of Criminal Procedure, 1973

Disclaimer: This content is for informational purposes only and does not constitute legal advice. Consult a qualified advocate for specific legal matters.

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