 Indian journalist Vinayak Chatterjee describes it as "one of the lesser known and even lesser-used methods of public procurement for core and social infrastructure projects".A Swiss Challenge System is a bidding process designed to elicit private sector initiative in core sector projects.It's an offer made by the original proponent to the government ensuring his process to be best (in terms of effectiveness including both the factors cost and time) by his initiative as a result of his own innovative approach or on the demand of the government to perform certain task.