Public–Private Partnership (PPP, 3P or P3) is a cooperative arrangement between two or more public and private sectors. Tenure of PPP projects are generally of -

Public-private partnerships between a government agency and private-sector company can be used to finance, build and operate projects, such as public transportation networks, parks and convention centers. PPP have contract periods of very long term requiring finance from the private sector and public sector and/or users over the project's lifetime. India has systematically rolled out a PPP program for the delivery of high-priority public utilities and infrastructure and, over the last decade or so, developed what is perhaps one of the largest PPP Programs in the world. With close to 1300 PPP projects in various stages of implementation, according to the World Bank, India is one of the leading countries in terms of readiness for PPPs.