ISLAMABAD: A day after the dissolution of the party’s organisational structure, Prime Minister Imran Khan Saturday revamped the Pakistan Tehreek-e-Insaf (PTI), appointing Asad Umar as the ruling party’s new secretary general besides provincial presidents. In a tweet, Information Minister Fawad Chaudhry announced that the premier has appointed Planning Minister Asad Umar as PTI’s secretary general whereas Amir Mehmood Kiyani will …