Internet of Things (IoT) is the new wave of interconnectedness among many different objects, wireless sensors, and many other computing devices with humans, surrounding environment and among themselves. These intelligent autonomous objects interact in such a manner so as to make our life easier in many ways. Digital connectedness, online citizen services, intelligent context aware devices, embedded sensors are the key components of any Smart city. In this study we will consider city bus service to model and upgrade at per with the smart city theme of India using Aadhar Card (Aadhar is a unique identification number for every Indian citizen). Its different components have been discussed along with their services and interconnectedness through Internet of Things paradigm. Immediate benefits and implementation challenges are identified. © ISCA, CATA 2017.