Examination of viscera, stomach wash, vomit, urine and blood etc. for poisons of vegetable origin (Dhatura, oleander, opium, madar aconite, nux vomica, etc.) inorganic salts (arsenic, copper sulphate, cyanides etc.) acids, drugs, alkaloids, pesticides ((DDT, BHC parathion, malathion, aldrin, zinc phosphide, aluminium phosphide, etc.) Alcohols (methyl & ethyl alcohol etc.) and all other types of poisons including powdered glass, etc.