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Police, Arrest & Criminal Justice

Since 1 July 2024, arrests, FIRs and criminal trials in India run on three new codes — the Bharatiya Nyaya Sanhita (BNS), Bharatiya Nagarik Suraksha Sanhita (BNSS), and Bharatiya Sakshya Adhiniyam (BSA) — which replaced the IPC, CrPC and Evidence Act. The core protections you grew up hearing about still apply; here's exactly what police can and can't do.

Right to know why (BNSS Sec. 47)

Police must tell you the grounds of arrest immediately, and whether the offence is bailable.

Right to inform someone (BNSS Sec. 48)

Police must notify a relative or friend of your choice about the arrest and where you're being held.

Right to appear before a magistrate within 24 hours (BNSS Sec. 58)

You must be produced before a magistrate within 24 hours of arrest, excluding travel time — you cannot be held indefinitely on a station's say-so.

Right to free legal aid (BNSS Sec. 341)

If you can't afford a lawyer, the State must assign one at its own expense, from your very first appearance in court.

Real-Life Scenarios

What actually happens, and what to do

Click a scenario to see the law, the exact steps, and who to call.

01

Police stopped and questioned me on the street or in my vehicle

The Situation

Police can stop and question anyone on reasonable suspicion, but that doesn't automatically give them the power to detain, search, or arrest you.

What The Law Says

Police must be in uniform with a visible, legible name/badge — a requirement from the Supreme Court's D.K. Basu guidelines that's now standard practice nationwide. If you're a woman, only a woman police officer can search you (BNSS Sections 51–52), and only between sunrise and sunset except in genuine emergencies. You can ask to be searched in the presence of a gazetted officer or magistrate if you doubt the search is legitimate.

BNSS Sec. 51–52D.K. Basu Guidelines
What To Do — Step By Step
  1. Stay calm; ask for the officer's name, rank and ID/badge number.
  2. Ask clearly whether you are being detained or are free to go — if not under arrest, you can leave.
  3. You're not legally required to hand over or unlock your phone for a casual stop; that requires an arrest, warrant, or your informed consent.
  4. Note badge numbers, the police station, and vehicle number in case you need to file a complaint later.
02

I've been arrested — what happens now

The Situation

Knowing the checklist of what must legally happen after an arrest is your strongest protection against custodial abuse.

What The Law Says

Grounds of arrest must be told immediately (Sec. 47); a relative/friend must be informed of the arrest and location (Sec. 48); you must be produced before a magistrate within 24 hours (Sec. 58, mirroring Article 22); an arrest memo must be prepared, attested by a witness (often a family member), and countersigned by you; and you have the right to a medical examination at the time of arrest and roughly every 48 hours in custody, to officially record any injuries (Sec. 53–55).

BNSS Sec. 47BNSS Sec. 48BNSS Sec. 58Article 22
What To Do — Step By Step
  1. Ask for the arrest memo and the written grounds of arrest.
  2. Insist a family member or friend is informed immediately — give the police their contact number yourself if needed.
  3. Ask for a medical examination and get any existing injuries recorded on paper.
  4. Remember: you cannot legally be held beyond 24 hours without being produced before a magistrate.
  5. If the offence is bailable, apply for bail immediately — it is your right, not the court's favour.
  6. If you can't afford a lawyer, ask the court for a free legal aid advocate under BNSS Sec. 341, or call the District Legal Services Authority directly.
Who To Contact
NALSA Legal Aid Helpline

Free lawyers for undertrials and eligible accused persons.

15100
District Legal Services Authority (DLSA)

Local free-legal-aid office; visits jails and lock-ups regularly.

nalsa.gov.in — find your DLSA
03

Police are refusing to file my FIR

The Situation

Registering an FIR for a cognizable offence (one police can investigate without a magistrate's order) is not optional for police.

What The Law Says

The Supreme Court's Lalita Kumari ruling made FIR registration mandatory for cognizable offences, now reflected in BNSS Sec. 173. Refusing to record it is itself punishable under BNS provisions on public servants disobeying the law. For rape and other crimes against women, the FIR must be recorded by a woman officer. A 'Zero FIR' can be filed at ANY police station regardless of jurisdiction and is later transferred to the right one — useful when time is critical.

BNSS Sec. 173Zero FIRLalita Kumari
What To Do — Step By Step
  1. Submit your complaint in writing and insist on a signed acknowledgment with an FIR/complaint number.
  2. If refused, send the same complaint by post or email to the Superintendent of Police (SP) of the district, invoking BNSS Sec. 173(4) — they are required to act.
  3. You can also apply directly to a Judicial Magistrate under BNSS Sec. 175(3) to direct police to register the FIR.
  4. Escalate to the State or National Human Rights Commission if the refusal continues.
04

How do I get bail

The Situation

Whether bail is a right or a court's discretion depends on the type of offence.

What The Law Says

For bailable offences, bail is a right — it can be granted by the police station itself or by any court. For non-bailable offences, bail is at the court's discretion under BNSS Chapter XXXV. First-time offenders facing charges with a maximum sentence of 7 years get special consideration, and BNSS Sec. 479 caps how long an undertrial can be detained relative to the maximum sentence for the offence. If you fear arrest in a non-bailable case, you can apply for anticipatory bail (BNSS Sec. 482) before it happens.

BNSS Sec. 479BNSS Sec. 482
What To Do — Step By Step
  1. For a bailable offence, ask for bail at the police station itself with sureties, if required.
  2. For a non-bailable offence, an advocate files a bail application before the Magistrate or Sessions Court.
  3. If you anticipate arrest, file for anticipatory bail before the Sessions Court or High Court.
  4. Use free legal aid (15100) if you cannot afford a lawyer — this is a right, not charity.
Know The Law

The legal basis, in plain terms

 Key provisions that apply here

BNSS Sec. 47

Arrested person must be told the grounds of arrest and, if applicable, their right to bail.

BNSS Sec. 48

Police must inform a relative or friend named by the arrested person of the arrest and location.

BNSS Sec. 58

Production before a Magistrate within 24 hours of arrest (mirrors Article 22 of the Constitution).

BNSS Sec. 173

Mandatory registration of FIR for cognizable offences; refusal can be escalated to the SP or a Magistrate.

BNSS Sec. 341

Free legal aid to the accused at State expense if they can't afford a lawyer.

BNSS Sec. 482

Anticipatory bail — protection from arrest in a non-bailable offence, sought in advance.

Landmark Cases

Court rulings that shaped this right

The precedents behind the plain-language explanations above.

D.K. Basu v. State of West BengalAIR 1997 SC 610 — Laid down mandatory safeguards for arrest and detention — visible ID, informing a relative, medical exams — now codified into BNSS. Verify this case
Arnesh Kumar v. State of Bihar(2014) 8 SCC 273 — Required police to follow a checklist before arresting someone for offences punishable by up to 7 years, to curb unnecessary and mechanical arrests. Verify this case
Joginder Kumar v. State of U.P.AIR 1994 SC 1349 — Held that an arrest, even where lawful, must be justified by necessity — police can't arrest just because they're legally allowed to. Verify this case
State-By-State

State & city police apps for e-FIR and citizen services

Most states now offer an app or portal for filing e-FIRs (usually for theft of vehicles/mobiles/property where the accused is unknown), verifying tenants/servants, and tracking complaints. Availability of e-FIR for specific offence types varies by state.

Select cities/states
DelhiDelhi Police citizen services + e-FIR for vehicle/mobile theftOpen portal
MaharashtraCitizen Portal — e-FIR, character verification, tenant/servant registrationOpen portal
Karnataka'Suraksha' app + e-Lost Report for theft complaintsOpen portal
Uttar PradeshUP COP app — e-FIR, complaint tracking, women helpline integrationOpen portal
Tamil NaduTN Police citizen services portalOpen portal
TelanganaHawk Eye app — complaints, e-FIR, SOSOpen portal
All India (fallback)National Cyber Crime Portal (cyber offences) / local police stationOpen portal
Frequently Asked

Quick answers

Can police search my phone without a warrant?
Generally no — except as part of a lawful arrest, a valid search warrant, or with your informed consent. Whether they can compel you to unlock it with a password or biometrics is a genuinely contested, evolving area of Indian law; you can politely decline and ask to consult a lawyer first.
What is a Zero FIR?
An FIR you can lodge at any police station, regardless of where the offence happened or which station has jurisdiction. It is then legally transferred to the correct police station — useful when speed matters, such as accidents or crimes committed while travelling.
Do I have the right to remain silent?
Article 20(3) protects you from being compelled to be a witness against yourself. You can decline to answer self-incriminating questions, but it's best to consult a lawyer before or during questioning rather than refusing to cooperate outright.
What if I was arrested but never told why?
That's a direct violation of BNSS Sec. 47 and Article 22(1), and the arrest itself can be challenged as illegal in court. Contact NALSA (15100) or a lawyer immediately.
Can police arrest me at night without a warrant?
For a cognizable offence, police can arrest without a warrant at any time if there's reasonable suspicion, but the D.K. Basu safeguards (grounds of arrest, informing family, arrest memo) apply regardless of the hour.
What's the difference between a cognizable and non-cognizable offence?
For a cognizable offence (like theft or assault), police can arrest without a warrant and investigate on their own. For a non-cognizable offence (like simple hurt or defamation), police generally need a magistrate's order before investigating or arresting.

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This page explains general Indian law for information purposes and is not legal advice. Laws, portal names, fees and helpline numbers change — please verify current details on the official government website linked above before taking action, and consult a qualified advocate for advice on your specific case.