Detectives & Investigation Bureau

About Us

SIXTH SENSE private investigation agency established in March 2006 by a few well qualified and experienced former officers of the Central Intelligence Bureau, Ministry of Home Affairs, Govt. of India, has been the first of its kind head quartered in Trivandrum, the capital city of God's Own Country, Kerala. Most of the field Investigators of SIXTH SENSE spread in all districts of Kerala and Tamil Nadu and a few selected centres in other states are former officers with proven track record in Intelligence/Investigative services of Central/State Government departments.

In tune with the technological advancement and to adapt to changing developments in private investigation sector, SIXTH SENSE has been reconstituted with the new name of SIXTH SENSE DETECTIVES AND INVESTIGATION BUREAU in April 2021 as a Partnership Firm with Registration No.1909/2021.It is also registered under the Shops and Establishments Act of Government of Kerala. SIXTH SENSE is the first private investigation agency in Kerala to become member of All India Association of Professional Detectives and Investigators (APDI), New Delhi. We are the only detective agency from Kerala State to become member of World Association of Detectives (WAD) based at California, USA


  • Static and Mobile Surveillance
  • Due Diligence Analysis
  • Business / Political / Market Surveys
  • Assistance in detection of Computer / Cyber forensic crimes.
  • Assistance in Project Implementation


Shri M John Punnen M.Com

Chief Executive Officer

Shri M John Punnen served the Central Intelligence Bureau, Ministry of Home Affairs, Govt. of India for 36 years and retired as Joint Deputy Director after gaining five promotions for meritorious services. He received many Cash Rewards and Commendations for outstanding performances while in Government Service at New Delhi, Nagaland, Mumbai, Chennai and Thiruvananthapuram in different capacities on specific assignments. He successfully served the Chennai Zonal Office of Narcotics Control Bureau, Ministry of Finance, Govt. Of India as Zonal Asst. Director covering four southern states and two union territories, on deputation for four years. He has widely travelled within the country and out side the country.He is bestowed with Investigation Professional of the year Award in 2011, Investigation Leadership Awards in the year 2014 and 2017 and the Life time Achievement Award for Professional Investigation in 2019 in the All India conferences of APDI. Presently he is one of the National Vice Presidentsof All India Association of Private Detectives and Investigators(APDI) and the only member of World Association of Detectives(WAD) from Kerala State.

Shri. K. Natarajan B.A (Eco) B.L

Chief Co-ordinator

Shri. K. Natarajan B.A B.L., based at Madurai Tamilnadu had served the Intelligence Bureau, Union Home Ministry for more than two decades in various capacities at different places. While in the Intelligence Bureau, he had also served as a faculty in the Training School of Intelligence Bureau New Delhi and imparted training on conventional and non-conventional areas pertaining to intelligence and security. After voluntarily demitting office in 1995 he established a law firm viz. Ram and Raj Law Associates at Madurai, Tamilnadu with branches at Chennai and New Delhi. He is also the Chairman of Asset Foundation Madurai, Managing Director of Allied Constructions & Consultancy, Madurai, Director Alagendran Finance Ltd. and Anusha Medical Services Pvt. Ltd. Being a Free Mason and also member of various social clubs he has wide range of contacts in various fields.

Shri S. Krishnan Nair

Administrative Officer

Shri S. Krishnan Nair is a Science graduate and holder of Post Graduate Coaching Diploma in swimming with first Rank from National Institute of Sports, Patiala, Punjab. He worked as Swimming Coach under the Kerala Sports Council and was also Kerala State Swimming Coach for two years prior to joining the Intelligence Bureau in 1971. After serving the Intelligence Bureau for more than two decades he came out on voluntary retirement for an exposure abroad. He worked as Maintenance Supervisor in ARENCO, a reputed Dubai based company for a few years before settling down at Trivandrum. Being a professional with sports background, he has the knack of developing and maintaining contacts and knows the trick of the trade of private investigation.


Apart from hundreds of individual clients including former ministers, political luminaries, businessmen, socio/ religious personnel and former bureaucrats who have made use of our services the following are among the Companies, Institutions and Corporates who have availed of the services of SIXTH SENSE since inception.


SIXTH SENSE is proud that we have been acknowledged as the most reliable private investigation agency by our clients. In recognition of our outstanding achievements, we have been bestowed with many appreciations and awards in the past. We are the only Private Detective Agency in Kerala organizing periodical conferences of Investigators to keep them abreast with latest developments in the private investigation sector.

The following are a few photographs that display our achievements.

Receiving the Life Time Achievement Award for Intelligence and Investigation from Shri Kishan Reddy, Union Minister of State for Home Affairs, Govt. of India in the All India Summit held at New Delhi in Nov 2019

Receiving Investigation Leadership Award in the year 2017 from the Former Maharaja of Sirohi, Rajasthan

Shri Jacob Punnoose, Former DGP, Kerala addressing the State conference of Sixth Sense Investigators in 2016 in the presence of Shri I.K.Govind, Former DGP. Tamilnadu

Receiving the prestigious Premkumar Award as the Investigation Professional of the year 2011 from Governor, Pondichery

Receiving memento from Shri kunwar Vikram Singh, Chairman, APDI after addressing the Session on Investigation of Insurance Claims in the Alll India Summit of APDI at New Delhi in Nov 2019.

Addressing the session on Insurance claim investigation in the all india summit of APDI at New Delhi in November 2019.


Privacy and confidentiality of our clients are of top most priority to us. Once a private investigation is entrusted to SIXTH SENSE, one can rest assured that the matter is in safe hands as we have a dedicated team of professionals to skilfully handle all the cases. Our guiding principle is Restricted Security and no information relating to the Client is ever divulged to unauthorized persons. The final outcome of the investigation will be communicated as per the prior agreement reached through mutual discussions.



Sixth Sense Detectives and Investigation Bureau
Shalom Building IInd Floor,
Pattom Main Road Trivandrum- 695 004, Kerala. India


0471 – 2542603 | 0452 2520585
+91 9446558584 | +91 9446405094

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