Now-a-day, the use of DNA profiling technology has gained acceptance in the field of forensic and life sciences, and Courts in the Europe, USA and Asia have frequently availed of DNA evidence in deciding cases. Before discussing DNA evidence, let us first talk about another popular forensic evidence, fingerprint. Fingerprint, century years old today, and unique to an individual, is a powerful and proven identifier. All human beings are born with a characteristic set of ridges on their fingertips. The ridges, which are rich in sweat pores, from a pattern that remains fixed for life. Even if the skin is removed, the same pattern will be evident when the skin re-generates. Some of the typical patterns found in fingerprints are arches, loops, and whorls. When we touch something, a small amount of the oils and other materials on our fingers are left on the surface of the object we touched. The pattern left by these substances, which collect along the ridges on our fingers, make up the fi ....