Abstract: The objective of this paper is to highlight the implementation of dynamic memory allocation using arrays and how it is better than other methods. It is often observed that parking vehicles manually takes longer time wherein user searches the parking area and parks the vehicle which is a tedious task, to save the time spent for searching the slot a registration based application circle parking system is designed which provides platform to users to book parking spaces online in advance for a given location and then park the vehicle with a minimal fees. This application allocates slots dynamically using array and stores the booking details. This paper discusses the benefits of the dynamic allocation in circle parking system.