KARACHI: Former member of the National Assembly from Ghotki Sardar Khalid Ahmed Khan called on former president Asif Ali Zardari and announced joining Pakistan People’s Party (PPP) at Bilawal House on Saturday. According to a press release, Sardar Khalid said that from Karachi to Kashmir, it was only Chairman Bilawal Bhutto Zardari who can bring the country at par with the mission of founder of the nation Quaid-e-Azam and founders of democracy Shaheed Zulfikar Ali Bhutto and Shaheed Mohtarma Benazir Bhutto to make Pakistan a model Muslim-majority egalitarian society.