Conducting literature review on open access (OA) institutional digital repositories (IDRs) is a challenging task as it is a new concept and started to develop rapidly throughout the world. The paper aims to place the current investigation within the existing scholarly research literature regarding some key policy issues. There are so many barriers in developing IDR specially developing different policies such as preservation policy, interoperability policy, and metadata policy as all are related to technical matter. All these issues need to to be properly formulated for smooth functioning of any IDR system. Here, the following three policy issues viz. a preservation policy, interoperability policy and metadata policy included in technical part have been discussed.