DNA process could be a powerful new forensic technology that several argue is that the greatest tool within the history of forensic science. But as is usually the case for new technologies, its acknowledgement by society was not straightforward. Each person on the planet can be acclaimed polymorphism in the succession of his or her DNA, which he or she earn from his or her biological parents and is indistinguishable in each cell of the body. The utilization of DNA profiling in the criminal equity framework is a crucial issue in criminal specialists today. The innovation is changing profiling has been depicted as an effective achievement in criminological science. The forensic use of polymer identification could be a noteworthy commitment to associate degree innovation. This paper mainly focuses on presenting DNA profiling and DNA fingerprinting, one of the great discoveries of the late 20th century, has revolutionized forensic investigations. This paper shortly recapitulates thirty years of progress in forensic chemical compound analysis that helps to convict criminals, exculpate the wrong defendant, and determine victims of crime, disasters, and war.
Also focuses on current normal ways supported short bike repeats (STRs) moreover as lineage markers (Y body, mitochondrial DNA) area unit lined and applications area unit illustrated by welfare work examples. The constitutional validity of DNA test has been challenged in many instances as it violates right to life, right to privacy, etc has been discussed in the paper and how DNA can be misused and the situation in India and other countries. At last but not the least, Benefits and risks of expanding forensic DNA databases are discussed and what the future holds for forensic DNA fingerprinting.