Detection, species typing and blood grouping of blood / seminal and other body fluid stains in murder, assault, rape, disputed paternity cases is carried out in this division. Other biological evidences like hair, tissue, vegetable material, wood etc. are also examined. This division has an animal house which produces anti-sera against human, domestic animals and wild life species as per the requirement. These anti-sera are used to confirm the species of the biological individuals from the evidence material. The anti-sera produced are supplied to all the regional laboratories also.