Chemical Examiners Laboratories were established in India to render independent scientific service to Criminal Justice Administrative System. The first Chemical Examiner’s Laboratory in India came into existence in Madras in the Year 1849. Chemical Examiner’s Laboratory in Kerala started functioning in the year 1890 under the orders of Government as part of Health Department. The Chemical Examiners Laboratory was brought under Home Department as an independent department from June,1969 vide GO(MS)188/Home dated 13th June 1969 and continuing as such. It was started as a single Laboratory in Thiruvananthapuram. Later to meet steady increase in the volume of work and to ensure speedy disposal of chemico-legal work, Regional Chemical Examiners Laboratories were established in Kozhikode and Ernakulam in the years 1986 and 1989 respectively. Chemical Examiners Laboratory Department is headed by Chief Chemical Examiner at Thiruvananthapuram and he is assisted by two Joint Chemical Examiners. Each Regional Chemical Examiner’s Laboratory is headed by Joint Chemical Examiner.