Text mining enables to quickly extract customers' needs, preferences and requests. It could help managers to make decisions and figure out a lot of measures to respond to customers’ discontent. It facilitates gleaning from many unstructured text data and compiles them. This datasets wouldn’t be analyzed by decision making systems like MIS and DSS because text mining is not structured data. Text mining is indispensable for decision making of unstructured data. It improves in decision making by offering unique insights about customer behaviour and attitudes.