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An overview on Forensic examination

An overview on Forensic examination. Priyankar Ghosh Central Forensic Science Laboratory MHA, Govt.of India,Kolkata. Policy & objective. To assist the Criminal Justice System To apply the scientific innovations in the examinations To retrieve the information available in the samples

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An overview on Forensic examination

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  1. An overview on Forensic examination PriyankarGhosh Central Forensic Science Laboratory MHA, Govt.ofIndia,Kolkata

  2. Policy & objective • To assist the Criminal Justice System • To apply the scientific innovations in the examinations • To retrieve the information available in the samples • To assist the investigating agencies in unearthing the truth in the occurrence of a crime • To build database for better interpretation of result

  3. Quality Requirements • Post graduates in different streams of basic sciences. • Post graduates in Forensic Sciences. • Graduates Engineers. • Clinical Psychologists ------------------------------------------------------------ * Good Laboratory Practices (GLP)/accreditation • Continuous training of Scientists • Availability of Contemporary Instruments • Optimum number of analysts • Adequate financial resources

  4. Stake holders in Forensic Examination • Central Forensic Science Laboratories(CFSL) under Central Bureau of Investigation(CBI), MHA, GOI. • CFSLs under Directorate of Forensic Science Services (DFSS), MHA,GOI. • State and UT Forensic Science Laboratories. • Special Forensic facilities under State Police/Banks etc. • Central Finger Print Bureau(CFPB) under National Crime Record Bureau(NCRB). • O/o Serologist to Govt. of India • Chemical Examiners Laboratories under Central & State Governments. • Wildlife Institute, Dehradun • Other Forensic Examination entities

  5. Contd. • LoknayakJayprakashNarayan National Institute of Criminology & Forensic Science (LNJN-NICFS), New Delhi, MHA, GOI. • SardarVallavbhai Patel National Police Academy(SVP-NPA), Hyderabad, MHA, GOI. • Bureau of Police Research & Development(BPR&D), New Delhi, MHA, GOI. • State Sponsored Universities under PPP model. • Private Universities. • Customised training programs in specialised institutes

  6. Staff strength vs case disposal Average yearly staff strength during 2005-09 at CFSL, Kolkata: 95 No. of cases disposed per year during the same period: 1000 (1:11) Active staff strength during 2015-16 at CFSL, Kol: 74 No. of cases disposed of during the same period: 2600(1:35) Average yearly staff strength during 2005-09 at CFSL, Chd: 97 No. of cases disposed per year during the same period: 1000(1:10) Active staff strength during 2015-16 at CFSL, Chd: 79 No. of cases disposed during the same period: 2800(1:35) Average yearly staff strength during 2005-09 at CFSL, Hyd: 104 No. of cases disposed per year during the same period: 1100(1:10) Active staff strength during 2015-16 at CFSL, Hyd: 76 No. of cases disposed of during the same period: 2400(1:32)

  7. Turnaround time • CFSL, Kolkata: (Av. of 2005-09): 03 - 90 days • CFSL, Kolkata: (Av. of last 5 yrs): 30 - >360 days • CFSL, Chandigarh: (Av. of 2005-09): 02 - 60 days • CFSL, Chandigarh: (Av. of last 5 yrs): 30 - >360 days • CFSL, Hyderabad: (Av. of 2005-09): 02 - 90 days • CFSL, Hyderabad: (Av. Of last 5 yrs): 30 - >360 days

  8. Areas of examination/materials IDENTIFICATION AND CHARACTERIZATION OF STAINS, HAIR, BODY TISSUE, MICRO-ORGANISM, POLLENS, GROUPING FOR INDIVIDUALISATION , IDENTIFICATION OF SPECIES, PLANTS, INDIVIDUALS, FACIAL RECOGNITION ETC.

  9. CONTD. • IDENTIFICATION OF FIREARMS; AMMUNITIONS; MANUFACTURING TOOLS, GUN SHOT RESIDUES; NEUTRON ACTIVATION ANALYSIS, IDENTIFICATION OF SHOOTER ETC.

  10. Contd. • IMPRESSIONS; CONSTRUCTION MATERIALS; PAINT, GLASS; CUT MARKS; SOIL; COUNTERFEIT CURRENCY; RESTORATION OF NUMBER; FIBRE STRENGTH, POLYGRAPHY ETC

  11. CONTD. • SAMPLES UNDER NDPS ACT,1985; BRIBARY CASES; LIQUORS; PETROLEUM PRODUCTS; ARSON; CHEMICALS; OILS & FATS;

  12. CONTD. • HIGH & LOW ENERGY MATERIALS, CHEMICALS;

  13. CONTD. • INTERNAL BODY PARTS OF BOTH HUMAN & ANIMAL ORIGIN FOR PRESENCE OF POISON; ALCOHOL INTOXICATION/POISONING; ABUSE OF DRUGS ETC.

  14. CONTD. • SIGNATURE VERIFICATION, IDENTIFICATION OF INDIVIDUAL HANDWRITINGS, AGE OF A DOCUMENT IN LIMITED CASES ETC

  15. NEW AREAS OF ACTIVITIES • Nuclear materials • Image processing • Digital Forensics • Speaker recognition • Microbial Forensics • DNA sequencing • Forensic Intelligence • Forensic auditing • Brain Fingerprinting

  16. Equipment being used in general • Gas Chromatography & Mass Spectrometer(GCMS) • High Performance Liquid Chromatography(HPLC) • High Performance Thin Layer Chromatography (HPTLC) • Fourier Transform Infrared Spectrophotometer (FTIR) • UV-Visible Spectrophotometer • Inductively Coupled Plasma-Mass Spectrometer(ICP-MS) • X-Ray Diffractometer (XRD) • DNA sequencer • PCR machine • Comparison microscope with image analysis • Ion Chromatograph

  17. Scanning Electron Microscope-EDXA • IBIS • Voice Spectrograph • Facial Superimposition system • LCMSMS • FTIR-Raman • TGA-DSC • TLC-FID

  18. Accreditation • NABL 17025:2005

  19. Awareness Average:05 Good: 10 V.Good: 06

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