Security is the important cause in the modern world. Now a day so many schemes have announced by the banks which very attractive and the people are saving money in banks. At this point protecting the banks is the main duty of police. Hence police are appointed securities to the banks and make them to patrol during nights. . They have to go to every banks and streets and sign the books kept in their places .But some police people forgot their duty and will sleep in a vacant place and in the morning they get up and in a hurry go to these banks and put a fake time and date and the signature .To avoid this and to provide more security our proposed system is giving solution for tracking police man using RF proximity card. A RF proximity card reader with a microcontroller will be designed and will be placed in every bank. During the patrol time, when a police man swipe the card it will read the card number and will store it with date and time. The data can be retrieved by connecting the machine to PC and giving appropriate commands