KARACHI: Sindh Information Minister Nasir Shah says that the PPP has always respected the state institutions and resolved all kinds of differences within the ambit of law and ethics. Sindh Information Minister Nasir Shah in a message on social media app Twitter said that PPP always disagreed within the realm of law and ethics. Despite the cases being false, former President Zardari's constant attendance in the courts despite his illness is proof of this. Sindh Information Minister Nasir Shah said that we are grateful to Chairman NAB Justice (retd) Javed Iqbal for withdrawing this letter.