The document discusses the application of the public-private partnership (PPP) model for highway projects in India. It outlines the origins and evolution of the PPP model worldwide and in India. It then describes the establishment of the National Highways Authority of India (NHAI) to oversee highway development projects using the PPP model. The document also examines the various risks involved in PPP highway projects and identifies bottlenecks and remedial measures to make the PPP model more successful.