ISLAMABAD, Mar 22 (INP): Former prime minister Nawaz Sharif on Thursday assured to sit with everyone for the supremacy of the Constitution but he was disappointed on the recent role played by the PPP, adding such circumstances would be difficult to hold consultations with PPP on interim government setup. Informally talking to media persons, appearing before the accountability court, Nawaz Sharif said that suggestions to put names on the Exit Control List (ECL) are being given despite serving the country. I don’t have any concern with any state institution, he added. INP/LK