Marketing in Green Castle is a process of exchanging, selling, creating goods and services to general public and customers. It can also be defined as a strategy which highlights what techniques can be used to increase sales of a particular product and service. It also highlights points that can assist in increasing business productivity resulting in business development. Marketing, in Green Castle, is a process of creating strong relationship between suppliers and customers to achieve maximum customer satisfaction. Marketing identifies the need of the customers and communicates the same to the producers to produce goods and services accordingly. In other terms, it helps to anticipate the need to the customers. Marketing involves selling, advertising and distribution of products and services. An important feature of marketing is to check the progress of a product. It is also important to have surveys to check the product and if any feedback is received from the customer, same should be communicated to the producers and suggestions should be provided as to how to fix the issue.