Pakistan Muslim League (Nawaz) chief Muhammad Nawaz Sharif has set three-day ultimatum for the government to accept or reject the demands made by his party for redressing the grievance of masses, report said on Tuesday. Addressing a press conference following partys CEC meeting here, he presented the agenda of PML-N discussed in the meeting. Nawaz also warned that in case the incumbent government rejected his demands, the PML-N would also call off its alliance with PPP in Punjab government.