ISLAMABAD: Chairman PPP Bilawal Bhutto Zardari has written separate letters to the Speaker National Assembly Asad Qaiser for issuance of production order for the PPP leader Syed Khursheed Shah. In his letter to Asad Qaiser, Bilawal Bhutto wrote that the budget session was going on so the production order for Syed Khursheed Shah was issued to represent his constituents in the House.