The Guidance for Formulation, Appraisal and Approval of Central Sector PPP Projects provides the detailed process to be followed for the appraisal and approval of PPP projects. It describes the institutional structure, along with details of the responsibilities of the entities involved. It also describes the structure of the memorandum required to be prepared for the PPP Appraisal Committee in order to obtain its in-principle and final approval. Further, this document also specifies the time required for various steps under the appraisal and approval procedure for PPP projects. It also describes the delegation of appraisal and approval responsibilities in the case of PPP projects with lower costs.