Anusandhan Intelligence — Private Detective Agency in Kolkata

Private investigators since 2003

When others give up,
we keep going.

Discreet investigation across Kolkata and India — matrimonial checks, missing persons, corporate fraud, cyber crime and verification. You call, we listen, and nothing you tell us leaves this office.

Line open now — answered 24 hours, including tonight.

Fixed fee, quoted upfront Court-ready evidence First consultation free
Confidential

Request a call back

Your name and number is enough. We call you back, usually within the hour.

We never leave a message, text or voicemail that identifies us. You tell us when it is safe to call.

or call directly

+91 89182 50160
22+Years in business
20k+Cases solved
15kClients helped
150+Trained investigators

What we investigate

Nine areas of work, each handled by investigators who do only that work. If your situation isn't listed here, call anyway — most cases start as something people can't easily name.

Pre-matrimonial investigation

Character, finances, family background, past relationships and employment — verified before the date is fixed.

Call about this

Post-matrimonial investigation

Careful surveillance and documented evidence when a marriage is in doubt, prepared so it holds in court.

Call about this

Missing person tracing

Runaways, absconding relatives and untraceable debtors — tracked across states, with police liaison where needed.

Call about this

Pre-employment verification

Address, education, previous employment, references and criminal record — checked before the offer letter goes out.

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Post-employment verification

Moonlighting, undeclared conflicts of interest, leaked information and misconduct inside your own team.

Call about this

Cyber crime investigation

Fake profiles, sextortion, online blackmail and payment fraud. We recover digital evidence and help you file.

Call about this

Corporate investigation

Internal theft, vendor kickbacks, data leaks and due diligence on partners before you sign anything.

Call about this

Extortion & threat cases

Identify who is behind the calls or messages, and build a documented case strong enough to act on.

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Handwriting & documents

Signature comparison, forged agreements and altered records, examined and reported for legal use.

Call about this

Why people call us instead

Six things clients tell us made the difference.

Answered at 3 a.m.

A 24-hour line with an investigator on the other end, not a call centre reading a script.

On the ground in 24 hours

For urgent matters — a missing person, an ongoing threat — fieldwork usually starts the next day.

Evidence that stands up

Photographs, statements and reports prepared to the standard your lawyer will actually need.

150 trained investigators

Coverage across West Bengal and most Indian states, so a case doesn't stop at the border.

A fixed fee, agreed first

You know what it costs before we begin. No running meter, no surprise additions at the end.

Certified and accountable

A registered agency with 22 years of record, not an individual you can't trace afterwards.

What happens when you call

Most people hesitate because they don't know how the first conversation goes. It goes like this.

You tell us the situation

Fifteen minutes on the phone. No charge, no obligation, and no details recorded until you decide to go ahead.

We give you a plan and a price

What we'd do, how long it takes and exactly what it costs — usually the same day you call.

You get the evidence

Updates while the work runs, then a complete written report with photographs and supporting material.

The part most people worry about

Almost every client asks the same question before anything else: will anyone find out I called? Here is exactly how we handle that, so you don't have to ask.

  • Your name is known to the investigator on your case and no one else in the office.
  • We never send a message or leave a voicemail that identifies the agency. You choose when it's safe to call.
  • Reports are handed over in person or to an address you nominate. Files are destroyed on request.
  • The subject of an investigation is never contacted, approached or made aware of the enquiry.
4.9 Rated by 540+ clients on Google

They found in nine days what the family had been guessing at for two years. The report was calm and factual, which is what I needed to show my parents.

Matrimonial enquiry, Kolkata

I called at midnight expecting an answering machine. Someone picked up and stayed on the line with me for half an hour.

Missing person case, Howrah

We use them for every senior hire now. Two candidates did not survive the check, and that alone paid for the year.

HR head, manufacturing firm

Tell us what's happening

The first conversation is free and costs you nothing but fifteen minutes. If we can't help, we'll say so and point you to who can.

24-hour line+91 89182 50160
Office

42, Ghosh Para Road, Najir Bagan, Haltu,
near Ghosh Para Rickshaw Stand,
Kolkata 700078

Confidential

Get a free quote

Tell us a little more and we'll come back with a plan and a fixed price.

Everything you write here stays between you and the investigator handling your case.

© 2026 Anusandhan Intelligence Services, Kolkata.

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