Which of the following statement/s is/are correct regarding the BOT model of investment?        
I.            Under the BOT model, a private player is granted a concession to finance, build and operate a project for a specified period of time.      
II.            It is a conventional Public-Private Partnership model in which a private partner is responsible to design, build, operate and regulate the project for its entire life.    
III.       Private sector partner has to bring the finance for the project and take the responsibility to construct and maintain it.