Message From Director General Sh. V.S.K. Kaumudi, IPS

Message From Director Mehmood Akhtar, IPS

It is my great pleasure to formally launch the official website of the Central Detective Training Institute (C.D.T.I.), Kolkata...+ more

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Since :05th July 2012

About Us


The idea of setting up CDTI was initially conceived by the late illustrious police officer, Shri B.N. Mallick, the then Director, Intelligence Bureau. The late Home Minister Pt. Govind Ballav Pant encouraged the idea and the Institute was first incepted in 1956. The Institute was later brought under the aegis of BPR&D.

The CDTI, Kolkata is located in the CFIs building at 30, Gorachand Road, Kolkata 700 014, along with two other Units, viz. the Central Forensic Science Laboratory, and the Central Finger Print Bureau. It is a premier detective training Institute in India, which imparts training mainly on the scientific aspects of crime case investigation and other police related subjects. This Institute is the oldest of the 5 (five) Central Detective Training Institutes, located at Kolkata, Chandigarh, Hyderabad, Ghaziabad & Jaipur.

Each CDTI is headed by a Director, who is an IPS Officer. The Director is assisted by one Deputy Director and other faculty members of the rank of Dy.SPs & Inspectors in imparting training to the participants.

This Institute imparts training to the police officers of the level of SI to Dy.SP of different States of the country and also from abroad. Officers from Delhi Police, CRPF, BSF, CBI, NCB, Air force, Army, Wildlife Crime Control Bureau (WLCCB), Royal Bhutan Police, Nepal Police, Maldives Police etc. have attended various courses organized by this Institute.

Besides the in-house faculty members, experienced senior police officers, belonging to the rank of D.G., I.G., D.I.G. and SP, eminent judges, doctors, academicians, forensic experts, professors etc. are invited by the CDTI to deliver lectures and their expert opinion on different topics of their respective fields.

The CDTI, Kolkata has an Air-conditioned Classroom, which is equipped with Projector, Visualizer, Public Address System, Computer, Laptop, Interactive Board, Interactive Panel, Cordless mike, medico-legal charts,Public Address System and other modern day sophisticated training gadgets.

Besides theoretical subjects, the most important part constitutes of first-hand practical knowledge of the training. The trainees get an excellent facility to enrich their knowledge by doing practical of various forensic subjects and other related subjects connected with day-to-day police work.

Forensic subjects include practical training of footprint, fingerprint, handling, labelling and packing etc. The trainee officers get an opportunity to have practical and theoretical knowledge on ballistics, physical and chemical analysis of biological matters like blood, semen, hair, fibre, dust, other objects of forensic importance, different types of forged documents and counterfeiting notes, documents etc. from GEQD and CFSL. They can equip themselves with the latest know-how of the sophisticated methods of scientific analytical techniques like the D.N.A fingerprinting and other modern techniques of investigation.

Investigation Kit Boxes consisting of sophisticated items are used for recording and lifting of fingerprints, preserving, handling, labelling and packaging of physical evidences and for detection of blood, semen, saliva, explosives, drugs etc. Mannequins are provided for carrying out simulation exercises of crime scene on Dacoity, Burglary, Rape Murder and Post-blast cases.

There is a well-designed Auditorium, with a seating capacity of 50 persons, a Medico-legal Museum with different models of human body and an Interrogation Room. Separate medico-legal classroom is being set up which can accommodate 25/30 trainees.

Training : in the year 2016-17, a total of 892 trainees from different States received training on various courses of investigation relating to crime, trafficking, forensic and other subjects. A total of 47 courses were organised in the calendar year which included two courses of 10 weeks of Advanced Course on Investigation and Detection of Crime. Syndicate Discussion, case studies introduced as participative learning process for better understanding of police officers of the rank of SI/Insp./Dy.SP CDTI Kolkata has its own Website available at

Hostel: The CDTI, Kolkata runs a 52-bedded Hostel, located on the P-20, Dr. Sundari Mohon Avenue, Kolkata-700014, almost by the side of the Chittaranjan Hospital at Park Circus and at a distance of about 100 meters from the CDTI main campus.

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