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 Last updated on :  8th Nov 08

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Exam Results
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Tamil Nadu Public Service Commission (TNPSC)
Syllabus




Post Graduate Degree Standard

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Forensic Science - (Code - 056)

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Paper - I


Unit - I : Forensic Science - Definition - Development of Forensic Science in India and other countries - Organisation and functions of Forensic Laboratory.

Unit - II : Physical evidences - Their classification and significance - Locard's principle of exchange - Class and individual characteristics.

Unit - III : Crime Scene examination - Documentation of crime scene- Recognition, Collection, Preservation and transportation of physical evidence for laboratory examination.

Unit - IV : Fundamentals of photography - Crime scene photography - Micro and Macro photography - colour Photography.

Unit - V : Foot and tyre impressions - Walking pattern - Recording and Examination of foot prints and tyre prints.

Unit - VI : Finger prints - Fundamental principles - Finger print patterns - Classification of finger prints - Methods of development of latent finger prints.

Unit - VII : Tool marks - Identification - Restoration of filed off/erased marks - Detection of counterfeit coins and currency.

Unit - VIII : Fire arms - Bullet and cartridge case identication - Pellets and wads - Range of firing.

Unit - IX : Fire and arson - Natural fires - Arson - Accelerants - Combustible properties of flammable substances.

Unit - X : Explosives - Classification of explosive substances - Combustion, detonation and explosion - Effects of explosions- Military and Industrial explosives - Improvised explosive devices - explosive residues examination.

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Paper - II


Unit - I : Questioned Documents Identification of handwriting, typewriter and forged signatures - Erasures and alterations on documents and their detection .

Unit - II : Broken glass - Glass fractures - Direction of force - backward fragmentation -Comparison of glass fragments.

Unit - III : Forensic Examination of Soil, paint, fibres, hair, bones, teeth and skull.

Unit - IV : Toxicology - Classification and mode of action of poisons - Narcotic drgus - Alcoholic beverages - Isolation and Identification of poisons, drugs and alcohol.

Unit - V : Examination of biological fluids - Blood, Seminal and Saliva stands - Forensic characterisation of the above stains - Stain pattens of blood - Fundamentals of DNA typing.

Unit - VI : Motor Vehicle accidents - Hit and run - Skid marks - Speed of the vehicle at the time of accident - Broken head light and its significance.

Unit - VII : Theory and practice of polygraph and voice identification.

Unit - VIII : Microscopy - Compound, Stereo, comparison and polarising microscopes-transmission and canning electron microscope.

Unit - IX : Instrumental methods for organic analysis-Principles of Chromatography, spectrophotometry and mass spectrometry.

Unit - X : Instrumental methods for inorganic analysis - principles of emission and atomic absorption spectra - x-ray diffraction - Neutron activation analysis.

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