Yes, it is true that Asad Umar has resigned as Secretary General of the Pakistan Tehreek-e-Insaf (PTI) on April 28th, 2021. Asad Umar was a close aide and confidant of Prime Minister Imran Khan, and he was regarded as one of the senior most members in the party. He had been a part of the PTI since 2011 and had served as Secretary General since 2014. Asad Umar’s resignation is seen as a major setback for the PTI, and his departure will be a huge loss for the party.