CCTV has become so vital over the years that both large and small stores are installing cameras as a deterrent against theft and robbery, a practice, which every body is adopting. In many areas of the country as well as in Europe, Security Cameras have been placed in highly crowded public areas as a security measure against terrorism.In industrial plants, CCTV equipment is used to observe parts of a process from a central control room; when, for example, the environment is not suitable for humans. CCTV is most commonly used for surveillance.