The advent of laser technology in the society has created a boon in the field of forensic science. Various laser sources have been used in the field of forensics to facilitate their use in solving crimes. Laser is a device that produces and amplifies a narrow beam of coherent light by making use of the processes that amplify blight signals which are being generated by some other means. The basic principle of laser amplification is stimulated emission and Brian. E. Dalrymple is known for introduction of laser for its utilization in the forensic field. The Laser was used for the first time as forensic light source for the identification of fingerprints and other evidence detection such as elemental analysis of glass and paints, characterisation of gunshot residue, crime scene investigation, detection of biological evidences, traces of explosives, analysis of soils and sediments, stress and fatigue in metals. The article emphasis on the use of laser in the forensic field which will prove beneficial in accurate and speedy analysis of the cases.