1. An Enterprise Value Chain Management (EVCM) system comprising: an interface unit, and wherein the interface unit includes an external entity interface layer and an internal entity interface layer, and wherein the external interface layer includes a first real time data integration module, an event normalization module, a service provisioning module, a self care interface module, profile and hierarchy, management module, a partner management module, and wherein the internal entity interface layer includes a product catalogue module, a second real time data and information integration module an event normalization module and a workflow management module; a value computation unit to interact with a pluralities of entities in an organization through the interface unit to track an activity occurred between the pluralities of entities in real time to compute a value generated through the activity occurred between the pluralities of entities, and wherein the value computation unit includes a costing module, a transfer pricing module, a charging module, a revenue share computing module, a billing module, a risk exposure computation module and a receivable and payable module, and wherein the value is a new customer, new array of products, new markets, sales channels which are translated into new revenue streams, and wherein the value is a generation of consumption of money within an enterprise; a value measurement unit coupled to the value computation unit to process and monitor a flow of the measured values across the organization to detect a value generation, a value absorption and a value consumption and a value leakage at any point in an entire value flow, and wherein the value measurement unit includes a customer relationship tracking module, a profitability analysis module, a revenue analysis module, a simulation engine, a threshold management module, a partner performance analysis module and knowledge data base; wherein the profitability analysis module analysis a flow of values created due to an activity to estimate a profitability of the pluralities of entities and business operations, by comparing a total cost of the activity with the value created due to the activity to identify activities yielding profit and wherein the total cost of the activity is obtained by aggregating a cost of each activity between each customer and the organization over a given period of time; wherein the simulation engine is provided with predictive plotting capability to simulate a given scenario to predict an impact in business rules on value creation or consumption to enable management to assess the impact before committing to changes in management policies and to test a feasibility of new products, pricing plans and processes by predicting and comparing an expected value with corresponding cost elements; a monitoring and dashboard unit connected to the value measurement unit to receive and report an output of a value flow analysis unit to management to monitor performance of the organization from multiple levels of flow and transfer, wherein the multiple levels of flow includes a process level, an entity level, and a policy level and wherein monitoring and dashboard unit includes a management dashboard module and a reporting and alerting module; and a value optimization unit to ensure that value flow disruptions are tracked and trigger right corrective actions with the entities, and wherein the value optimization unit includes a triggering unit and a plurality of action engines to process a value flow to provide corrective actions and decisions.