A wine is alcoholic and sometimes non-alcoholic beverage that is made up of processing of grapes. Wine is fermented without adding additional sugar, preservative, acid, enzyme, nutrients and yeast. After water and tea it is one of the most consumed drink in western world with a number of different variety. in the preparation of alcoholic wine yeast acts as an agent that remove sugar from the grapes and converts into ethanol and traces of carbon dioxide. Different variety and the quantity of grapes and yeast tends to produce different kinds of wine. Wine production is the result of biochemical reactions taking place within the grape pulp and the yeast. There are various types of wines that are consumed by different regions according to their cultural and ethical values.