The Access control system applies to commercial installations in an extensive way and is indispensable in today’s scenario. A wide range of credentials can be used to replace mechanical keys. Mechanical locks and keys do not allow restriction of the key holder, nor offer control of the specific times and dates when the keys should not access the mechanical locks and keys do not provide records of the usage. Access control system helps to provide restricted access across the establishment, maintains log of the entry and exit of individuals, takes key decisions regarding access at specific time of the day, manage shifts automatically, provides vital information for attendance data to the HR team, and helps to generate a hierarchy of authority regarding restricted access. Decision such as access level changes schedule activation and card expiration are made by the controller without the need of the computer. Advanced options to assure secured access involves biometric scanning such as fingerprint, face recognition, iris scanning and others.