The present research paper has aimed to analyze the significant role played by the outsource intervention strategy at service sector which was incorporated by the corporate sectors besides the other organizations / institutions etc., at global level.  The service sector contributes significantly for the growth of national economy in various forms. The service sector is inclusive of many organizations like public utility services e.g., airline, banking, insurance etc. The present study has aimed to assess those areas known as critical areas identified at an airline like operational crew, technical and the other non technical areas where the outsource could effectively contribute to enhance the functional performance. The organization selected for the purpose of this study is a hypothetical airline. The analysis has indicated that due to the adoption of the outsource strategy; the airline organization has derived substantial economies. The generalizations drawn could be applied to the other organizations also. The strategic decisions of the airline   management has indicated that certain areas could be outsourced, which brings the overall enhancement in productivity. The study has also incorporated the scope for further research at various sectors like manufacturing, public utility services like airlines etc.

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Keywords: Outsourcing, Service Sector, QWL, Core Areas, Performance, Intervention and Productivity.