A work routing system of an enterprise is disclosed for allocating resources for routing a work request in an enterprise. The work routing system includes a resource monitoring module configured to determine resource-occupancy of a plurality of resources available in the enterprise, wherein the plurality of resources are grouped into one or more groups based on a predefined strategy. The work routing system further includes a group monitoring module configured to determine group-occupancy of the one or more groups based on at least one predefined criteria, wherein the group-occupancy is determined for a predefined time period. The work routing system further includes an assignment module configured to assign the work request to one of the one or more groups based on the group-occupancy.