We investigate infidelity corporate fraud missing persons cyber crime wildlife crime
Hidden Door is a private detective agency in Guwahati, Assam. Criminal, corporate, matrimonial, cyber and wildlife investigations across Northeast India, pan-India and abroad — collected lawfully, documented properly, and built to hold up in court.
What we investigate
Whatever the subject, every file runs the same way — lawful collection, contemporaneous documentation, and a report that separates what we saw from what we think it means.
01
Internal fraud, employee verification, due diligence and IP theft — evidenced to board and courtroom standard.
From ₹2,00,000 02Independent fact-finding for defence and complainant teams — witness work, scene reconstruction and evidence review.
From ₹2,00,000 03Pre-matrimonial verification, custody, maintenance, insurance and property matters — handled with restraint.
From ₹30,000 04Device and account forensics, intrusion tracing, impersonation takedowns and cryptocurrency flow analysis.
From ₹2,00,000 05Static and mobile observation, activity logging and video documentation — lawful, proportionate, logged to the minute.
From ₹30,000 06Identity, education, employment, criminal record and financial verification for hiring, tenancy and marriage.
From ₹30,000 07Trafficking network intelligence, poaching enquiry and conservation enforcement support across the Northeast corridor.
From ₹2,00,000 08Cross-border tracing, overseas verification and multi-jurisdiction coordination through vetted partner agencies.
From ₹8,00,000
Why Hidden Door
Field operatives, digital forensics analysts and legal-support specialists working to a single documented method — under the direction of IFS-certified investigator. Every case is assigned a case officer who stays with it from intake to final report.
The expertise behind every Hidden Door case file:
How it works
Four steps, every time. It is deliberately unglamorous — and it is the part that survives a hostile advocate reading your report out loud.
One conversation on an encrypted line, at no charge. We establish what you actually need to know — which is often not the question you arrived with — and whether it can be answered lawfully.
What is in scope, what is deliberately out of it, what methods will be used, what it costs and what it cannot promise. You sign it before any money changes hands.
Documented as it happens, not reconstructed afterwards. Observation logs are contemporaneous, devices are imaged before examination, every document recorded with source and date.
An executive summary you can act on, an evidence index your lawyer can work from, and an explicit statement of what could not be established. Delivered to named recipients only.
Case studies
Names, dates and identifying detail removed. What remains is the shape of the problem and the shape of the answer.
A manufacturer's margin was falling while volume rose. Internal audit found nothing. Was there a leak, or a bad model?
A family lost contact with a relative travelling abroad on business. The consulate had opened a file. Nothing had moved in three weeks.
A family wanted a proposed match verified before committing. The presented history was detailed and internally consistent.
Non-negotiable
Your identity, your case and your file are held in confidence and disclosed only where a court or statute compels it. Intake runs over encrypted channels. Reports go to named recipients only. Material is destroyed or returned when the file closes.
How we handle your dataCoverage
Every state and union territory through resident associates, the Northeast worked directly, and international matters through vetted correspondent agencies.
Our operating base, and where every file is held, reviewed and written up. Same-day site attendance across the city; the intake line is answered within the hour.
The Northeast is worked directly from Guwahati. The rest of the country runs through resident associates under our own file management and reporting standard, so the report reaches you in the same format wherever the work happened.
Cross-border work through vetted correspondent agencies, including members of the World Association of Detectives, briefed on the Indian evidentiary standard before they begin.
Common questions
Next step
Tell us what happened and what you need to establish. We will tell you whether it can be done lawfully, what it will cost, and whether it is worth doing at all — before you commit to anything.
