This paper elaborates the model of humanoid robot which interacts with human being and performs various operations as per the commands given by the human being. A humanoid robot having Synthetic Brain can able to do Interaction, Communication, Object Detection, Information Acquisition about any object, respond to voice commands and chats logically with human beings. For the purpose of reducing the noise of voice commands, an audio filter is used to improve the voice commands’ clarity for the robot to work appropriately. Image processing concept is used for object detection and to make the system intelligent. That is whenever the system interact, communicates or chats with human, it gives proper response, question / answers due to the integration of artificial intelligence and DFA / NFA automata.