“I have a specialized detective firm. Our company provides investigative services in the sector of both personal and corporate level. Our Main objective is to offer an efficient level of detective services. Our detective service PAN India level set us apart from other detective agencies. We are skilled in offering all kinds of investigation services like pre matrimonial proof, extra marital affair problems, post matrimonial verification, infidelity, adultery, family background, cheating spouse, individual profit investigation, surveillance, background screening, investigation services to corporate attorneys, undercover operations and many more. We have strong bonding with the police to attain instant action in case of emergency.”

about us

ARYA SINHA began its operation with the sole objective to provide exemplary investigation and private detective services to the people. Our team consists of proficient specialists in the domain of cybercrime, forensic science, and others to probe into any complex case and come up with true facts for you to unravel. Hence if you’re looking to spy on anyone for personal or commercial reasons, we are a smart choice.

We take pleasure in introducing ourselves as a premium private detective company in Kolkata with a commitment to excellence. Since our inception, we have embarked on a successful journey and established the reputation of being a comprehensive, reliable & precise investigation and information service with the ability to deliver prompt services. Our experts delve deeper to bring out the actual information and decipher hidden truths.


 We offer diverse and bespoke investigation services under a single roof encompassing prematrimonial investigation, post matrimonial investigation, undercover investigation, divorce investigation, husband cheating surveillance, wife cheating surveillance, background investigation, divorce case solving assistance, surveillance, missing investigation, personal investigation, corporate investigation, preemployment verification etc. We can proudly say customers who hire us have been completely satisfied with our dependable and high-quality detective services earning us the tag of being a top private investigation company in Kolkata.

Arya Sinha
Best Detective in Kolkata

company overview

We are a specialized detective firm that has set the benchmark of the highest order. We offer top-notch undercover services at the personal and corporate levels. We serve our customers most efficiently and hence provide fast and accurate enquiry services at affordable prices. Whether you’re looking to find out a missing person or someone who has cheated on you, we are your ideal destination. Our experts will become familiar with your case and proceed accordingly so that your demands are met and you get quick results. We also work on a PAN India basis to help clients all over the country by maintaining complete confidentiality. Hurry up, call us now and fix an appointment with our experts.


Corporate level

Our specialist detectives work in collaboration to solve complicated corporate cases. Our surveillance at the corporate level uncovers and unravels any crime and offence committed by the administration, workforce, or third parties. There are many features of corporate investigations and they can differ considerably as per your requirements. Some of the prominent ones are trademarks related investigation, fingerprint examination etc.


Personal level

The world is moving at a frantic pace, with everyone having no time to breathe. At ARYA SINHA, we offer 360-degree private detective solutions in the sphere of matrimony, murder, missing cases, divorce and others. Our experts gather compelling evidence and carry out extensive surveillance by using advanced tools, gadgets and other written documents. They also collect audio, video, materials and images to bring out a clearer picture and take you closer to reality.

We offer custom and bespoke enquiry services to fulfill the diverse needs of clients. It is our ability to delve deeper and probe which sets us apart from other investigation agencies or firms based in Kolkata. We also maintain 100% confidentiality when tracking and tracing evidence which makes us a highly trusted firm.

Our detectives also adhere to the privacy of the customers and their alertness is revealed in their services. They keep in mind all the minute details and vital facets of the case. They keep the identity of the person or an organization under wraps as in investigation cases, reputation is always at stake. The best part of our detective services is the effective use of modern forensic tools and technologies which helps us to conduct any investigation in a systematic manner.


Technologies such as tracking software, GPS vehicle tracking devices, analytical tools and sting operation tools assist our adept detectives to solve complicated cases with ease. 


Services I provide at Insight Services

Matrimonial Enquiry

Matrimonial investigations are nowadays becoming very much compulsory and they are in trend because today, most of the marriages are being arranged through matrimonial sites. This may involve a hazard in handling the strangers.

Missing Enquiry

Are you searching for someone like a birth parent, a lost friend or a family member? A detective can help you find the person. I offers a dedicated service for missing people. I have a whole network for missing enquiry in India.

Industrial Intelligence

The growth of a firm cannot be successful without a complete market research which includes investigation of items producing along with its market prospects. This is where investigation in market research services offered by me plays a major role.

Finger Print Verification

A fingerprint verification tool is a type of modern tool that is generally used by several reputed companies in order to check the identity of a specific person. By making use of this device, I offer the best finger print verification in Kolkata.

Personal Investigation

I deals in provision of personal investigation service in Kolkata for different types of problems related to spouse, marriage alliances, families etc. We offer this service with the help of a well designed planning procedure.

Handwriting Verification

Being the most reliable detective  in the industry,I am engaged in offering a wide range of handwriting and signature verification in India. Services provided by me are highly praised by the customers for their dependability and affordable rates.

Questioned Document

My forensic handwriting, signature and questioned document examination experts will help you solve any issue for both the prosecution and defense teams, covering the disputed papers, handwriting and signature analysis along with other forensic handwriting services.

Property Matters

Safeguarding intellectual property has become very much difficult during today’s age of international competition. If you have any issue concerning property matters in India, I can help you find the right solution.


 The homicide investigation in Kolkata is one of the several units in Bureau of Investigation. Through this service, I investigate all he incidents that come under our strategy within the restrictions of this city.


Through my surveillance and spying services in Kolkata I keep an eye on people as well as vehicle smartly and maintain a record of the outdoor actions, number of people met, name of those persons and other activities that help the clients make a right decision.

Mystery Shopping

When you have doubts on your employees because they are not following the rules and regulations of your company and for carrying illegal and unwanted selling or buying activities. If you have any doubt regarding the dealings of your employees and the business policies followed by them, you can take help from me in finding the reality behind the situation.

Domestic Enquiry

I have a vast network with consistent sources that offer accurate information with right evidence. My highly competent team offers any and nearly all kinds of household details to fulfill all requirements of my clients.












“I want to thank you for your help in my case. I can’t tell you how happy I am with your services. I am now looking forward to living my life my way.”
“I have always found the team of investigators to very efficient at dealing with all my queries and most of all hassle free! Your detective services have really helped me alot. I wouldn’t hesitate to recommend their services to others!”
Mr. U. Mondol, Texas, USA.
“I want to thank you for your services. You were quick to respond to my situation. Everything was very precise and thorough. Updates were given consistently and on-time. Your attitude of concern was a comfort; and helped me get through a difficult time in my life.”
Mr. Piter James, London, UK. USA.
“Your services were excellent. I will refer you to everyone.Its Sure I would have been lost without your help. You are the greatest detective ever.”
Mr. Anisur Raheman, Dhaka, Bangladesh.
“Fully satisfied, delighted to work with any time, always a reliable, timely, recommended service. Will definitely use them again.”
Central Scientific Concern Pvt. Ltd. 10.Canel South Road.Kolkata-14.
“He solved my complex case and obtained the evidence I needed to find out the truth. His professionalism and expertise got me the results that I needed. Thank you so much…”
Raj Steel Co. 10,K.M.Sarkar Lane,Kolkata-10.
“He was very professional and understanding throughout the process. The company provides outstanding client service and shows genuine concern and empathy toward his clients and their families.”
G. P. Chowtala, Hariyana.
“Your company is really outstanding. Your detective services are the real deal! It’s exactly what I’ve been looking for. The more I use your services, the more it impresses me.”
B. D. Construction. 58/1,Turf Road,Kolkata-25.na.
“He has always provided a professional and exceptional attitude towards the problem, so much so that I would not hesitate in recommending Insight Services to anyone requiring the services of a professional investigation agency.”
S. P. Sen, Siliguri.
“I was reluctant instructing an investigator, but Arya Sinha used total discretion thorough all the work that they carried out for me, and remained totally professional throughout. Thank you.”
Sharma & Co. 45/C/9,K.N.Ghose Street.Kolkata-124.
“I am very satisfy from Arya Sinha as I would get all proofs what I want. All the charges are also very reasonable. Thanks to him for solving my problem.“
C. G. S. Media Pvt. Ltd. 49, I.G.Road,Kolkata-28.

Press review

News Ei Samay



Some of My Clients


  • Mr. Koushik Mitra, Florida, USA
  • Mr. U. Mondol, Texas, USA
  • Mr. J. Gorge, Tampa, USA
  • A – Al – Hasan, CANADA
  • Mr. Piter James, London, UK
  • Mr. Simon Simcox, Berlin, Germany
  • Mr. Anisur Raheman, Dhaka, Bangladesh
  • Md. F. Khan, Jessore, Bangladesh
  • Ms. S. John, Armenia
  • Thomson Inc., Australia


  • Dr. S. Maity, West Bengal
  • Dr. A. Ghosh, Mumbai
  • Dr. P. K. Chatterjee, Delhi
  • Dr. S. A. Mahapatra, Bhubaneshwar
  • Dr. R. Agarwala, Jaipur
  • Prof. A. Ghosh, Malda
  • J. Banik, Kolkata
  • S. K. Pandey, Pune
  • R. Jalan, Gawahati
  • M. Bordoloi, Dhuliajan, Assam
  • M. K. Banerjee, Jamshedpur
  • P. K. Sinha, Patna
  • S. Mishra, Lucknow
  • S. P. Sen, Siliguri
  • K. P. Dhanuka, Gujrat
  • P. C. Tamang, Shilong
  • Mr. Murlidhar, D Bangalore
  • M. Reddy, Hyderabad
  • C. P. Ramakrishnan, Chennai
  • Md. Salmushi, Kochi
  • K. Sing, Grill, Punjab
  • G. P. Chowtala, Hariyana


  •  Syndicate Bank
  • B. N. Chatterjee & Sons Pvt. Ltd.
  • Raj Steel Co.
  • Central Scientific Corncern Pvt. Ltd.
  • Allied Tools Pvt. Ltd.
  • M. R. Traders Pvt. Ltd.
  • Dena Bank
  • Hindustan tools
  • C. G. S. Media Pvt. Ltd.
  • Union Bank
  • Adco Infotec Pvt. Ltd.
  • B. D. Construction
  • Systems & Solution Pvt. Ltd.
  • R. K. Plastics
  • Sharma & Co


Some Questions Asked Frequently

What is the task of a private investigator?

Generally, a private detective is appointed to attain correct information about the identity habits, conduct, whereabouts, movements, associations, affiliations, reputation, transactions and character of any individual or group of people. A private detective may also conduct inquiry regarding the reliability of the witnesses, information regarding missing people, location of the missing individual, recovery of the stolen or lost property.

Do you handle cases all over India?

Our professionals accept cases from everywhere. In fact most of the businesses come from cases in which we have to visit different cities like Delhi, Mumbai etc. We are a global detective agency with both international and national investigators. Moreover, we seek help from the local people in order to handle cases in different locations.

What is the payment mode?

Our clients can clear payments through draft, cheque or cash. As far as international clients are concerned, they can pay our charges through wire transfers.

How much time it takes to investigate a case?

The time taken to solve a case wholly depends on the facts of a case. Some cases take few days, some might involve some weeks whereas there are cases that might take a month to get it solved. It all depends on the complication of the case and the evidence needed, but our experience permits us to offer information with a practical time period.

How much is the total cost?

Our charges wholly depend on the kind of operation that our professionals are asked to solve. In order to determine the expenses, we examine the details of the case and the total time required along with the budget decided. Once this is agreed, we need a retainer depending on the budget to start the operation.

Who are your clients?

The kind of occupation we are into does not permit us to expose any information about our clients for confidentiality reasons. However, we assure you that as we are in this business since many years you will never be disappointed by the results. We have solved many cases for reputed multinational firms, government organizations and Indian corporate houses.

How secret is you service?

All the information about our clients is kept confidential. Indian law forbids an investigative firm or its workers from revealing any information regarding any case without taking permission from its client or with the help of an authorized tribunal.

If you are in a real trouble

Do not hesitate to call or book an appointment. My service is open 24X7



Some glimpse of Client’s work. 



Contact us

I would love to hear from you. Write to me about any queries or feedback you have and I will get it touch asap.

Call Me
9198832 99101 / 9194338 31559
Mail Me
Visit My Office
B/79/H/5,Turf Road, P.O.: Bhowanipore, P.S.: Kalighat, Kolkata-700025, West Bengal, India.

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