4.Examples of other current applications include speaker verification for television home shopping, Internet banking, and users' authentication in a variety of social services [27].APPLICATIONS OF BIOMETRIC TECHNIQUES Biometric authentication is highly reliable, because physical human characteristics are much more difficult to forge then security codes, passwords, hardware keys and so forth.More importantly applications such as secure electronic banking, investing and other financial transactions, retail sales, law enforcement, and health and social services are already benefiting from these technologies.Another promising area is the personal authentication for large- scale enterprises where Biometric technologies are expected to play a key role.