Here in this presentation discussed about Introducton, Meaning, Definations and Mainly focused on Models of Consumer behaviour. it helps to understand eassly with effectively. I Declare there is not any kind of wrong information regarding the perticular topic. By refereing text books and compitative books i prepared this because for learning purpose. If need looking any different topics i can help you to prepare PPT or Presentions. and also if is there any suggestion you can contact me true email. (hgdarshankumar@gmail.com) Thank you. Consumer behavior is the study of how people make decisions about what they buy, want, need, or act in regards to a product, service, or company. It is critical to understand consumer behavior to know how potential customers will respond to a new product or service. It also helps companies identify opportunities that are not currently met.