Islamabad: The Sunni Ittehad Council (SIC), backed by incarcerated former Pakistan Prime Minister Imran Khan’s Pakistan Tehreek-e-Insaf (PTI) on Saturday nominated Pashtun­khwa Milli Awami Party chief Mahmood Khan Achakzai as their presidential candidate against Asif Ali Zardari, the joint nominee of the coalition led by Pakistan Muslim League (PML-N) and the Pakistan Peoples Party (PPP).Islamabad: The Sunni Ittehad Council (SIC), backed by incarcerated former Pakistan Prime Minister Imran Khan’s Pakistan Tehreek-e-Insaf (PTI) on Saturday nominated Pashtun­khwa Milli Awami Party chief Mahmood Khan Achakzai as their presidential candidate against Asif Ali Zardari, the joint nominee of the coalition led by Pakistan Muslim League (PML-N) and the Pakistan Peoples Party (PPP).