FIR vs Complaint: What's the Difference in a Criminal Case?

"I want to file an FIR" is one of the most common things people say when they've been wronged — but often what they actually need is a complaint before a Magistrate, and vice versa. The distinction is not just technical; it determines which authority handles your case, how quickly police can act, and what your legal options are if things don't move forward.

What Is an FIR?

A First Information Report (FIR), registered under Section 173 of the Bharatiya Nagarik Suraksha Sanhita (BNSS), is the document police prepare when they receive information about the commission of a cognizable offence — one serious enough that the law allows police to investigate and arrest without prior permission from a Magistrate.

Once an FIR is registered:

• Police are legally empowered to investigate immediately, including making arrests where necessary
• Police can search, seize evidence, and record statements without needing a court order at every step
• The case proceeds toward a chargesheet, followed by trial before the appropriate court

What Is a Complaint?

A complaint, in the criminal law sense, refers to an allegation made directly to a Magistrate (under Section 223 BNSS) about the commission of an offence, without necessarily involving police investigation. This route is typically used for:

• Non-cognizable offences — minor offences where police cannot investigate without the Magistrate's permission
• Situations where the police have refused to register an FIR, and the complainant approaches the Magistrate directly
• Certain offences like defamation, which by law require a private complaint rather than police investigation

Cognizable vs Non-Cognizable: The Real Dividing Line

What If Police Refuse to Register an FIR?

This is one of the most common scenarios that pushes a cognizable-offence case into the "complaint" route. If a police station refuses to register an FIR despite a clearly cognizable offence being disclosed, the complainant has these options, in order:

1. Send the complaint in writing by post to the Superintendent of Police / DCP under Section 173(4) BNSS
2. If there is still no action, file a private complaint before the jurisdictional Magistrate under Section 175(3) BNSS, requesting a direction to the police to register an FIR and investigate

Filing a Private Complaint Directly Before the Magistrate

Even for cognizable offences, a complainant can, in appropriate cases, bypass the police altogether and file a complaint case directly before the Magistrate under Section 223 BNSS, particularly where there is reason to believe police may not act impartially. The Magistrate can then either direct a police investigation or proceed to examine the complainant and witnesses directly, deciding whether to summon the accused.

Why Getting This Right Matters

• Approaching the wrong forum wastes valuable time, especially in matters where evidence can disappear or be tampered with
• A wrongly classified offence (treating a cognizable matter as non-cognizable, or vice versa) can result in the complaint being rejected or redirected
• The choice of route also affects timelines, cost, and the level of police involvement in evidence collection

How a Lawyer Helps at This Stage

Before filing anything, a lawyer can assess the exact provisions applicable to your facts, draft the complaint or FIR narrative correctly, and choose the most effective route — whether that's pushing for FIR registration, filing a private complaint, or pursuing both in parallel where appropriate.

Not Sure Which Route Applies to You?

Whether you're trying to get an FIR registered, facing police inaction, or need to file a private complaint before a Magistrate, Advocate Rajat Kadyan can help you identify the right approach for your specific situation. Contact us for a consultation before you approach the police or court.