The diverse and complex information needs are required at the lower middle and top management level and terms of functional areas like marketing, finance personnel, production, procurement at the lower level information requirements are structured. Business process can be represented adequately by algorithms. The system need to be able to handle high transaction volumes. A complete record needs to be kept of individual transactions in the form of ledgers or hard copy report, and there should be a capability to perform adhoc analysis on apart of a transaction data. At the middle information, requirements are less structured than those of first level managers. They require summarized rather than detailed information, however, this information spans several sections, a comparison of actuals vs-planned levels is required for various activities, they require a capability to do analysis for the type of activities under their control. They also need a capability to perform adhoc queries on the transaction data pertaining to one or more sections and generate limited report. The information requirements of top management is mostly unstructured which include summarized information giving the status and relationship of activities across all the functional areas of the organisation including extensive use of the analysed information. Adhoc queries for functional areas, use of external and environmental data to set policies and plans.