The idea of setting up CDTS 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 School was first in cepted in 1956. The Institute was later brought under the aegis of BPR&D.
The CDTS, 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 school 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 Schools,located at Kolkata, Chandigarh, Hyderabad, Ghaziabad & Jaipur.
Each CDTS is headed by a Principal, who is an IPS Officer. The Principal is assisted by one Vice Principal 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 toDy.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 CDTS to deliver lectures and their expert opinion on different topics of their respective fields.
The CDTS, Kolkata has an Air-conditioned Classroom, which is equipped with Projector, Visualizer, Public Address System, Computer,Laptop, Interactive Board, Interactive Panel, Lapel, 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, labeling 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 equipthem selves 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, labeling 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.
About 20 (twenty) training courses are conducted on an average in a year. In the year 2011-12, twenty-six courses were successfully organized. In the year 2011 the Institute organized 10 additional courses including a course on‘Advanced Latent Finger Printing’ conducted by the Federal Bureau of Investigation.
Training : In the year 2011-12, a total of 702 trainees received training from this Institute. Almost 250 trainees from various foreign countries, including officers from Royal Bhutan Police, Maldives, Nepal,Singapore, Sri Lanka, Palestine, Malaysia, Mauritius, Uganda, Iran, Iraq,Kenya, Nigeria, Philippines, Burma etc. had attended different training courses in this Institute till date.
Hostel: The CDTS, Calcutta runs a 40-bedded Hostel, located on the C.I.T. Road, almost by the side of the Chittaranjan Hospital at Park Circus and at a distance of about 100 meters from the CDTS main campus.