Evidences of biological origin play a vital role in cases of homicide, suicide or accidental death, sexual assaults and in cases of wildlife (flora and fauna) besides ante-mortem or postmortem drowning. The clues are examined for the purpose of identification and comparison with control samples. Types of evidences examined are given as under:
Blood, semen and saliva.
Vomit, faecal matter.
Tissues and skin in partially burnt bodies/dowry deaths/hanging cases.
Bone (animal and human) age, sex in respect of human bones.
Hair (animal & human), fibre, feather.
Maggots.
Wood and plant identification.
Wildlife Cases (examination of animal skin, blood, flesh).