It has been experienced that many times the extension workers who are less educated are not in a position to advice the farmers according to their needs and available resources for maximum profit. It is also not possible that one can adopt the same practices which others are doing with similar resources, because their needs and situation may be different. Therefore, their is a great need for an intuitive knowledge based system, which may suggest suitable crop or agro-enterprise looking some basic needs and resources of the farmers. The expert system of extention is only appropriate answer in the present circumstances.