Lahore: Pakistan Muslim League-Nawaz (PML-N) President and former Prime Minister Mian Muhammad Nawaz Sharif has emphasized supremacy of Parliament, law making in public interest and strengthening of democracy. He said only a strong parliament can contribute to political stability and public welfare in the country.Speaker National Assembly Sardar Ayaz Sadiq met Nawaz Sharif in Lahore on Wednesday. They discussed overall political situation of the country, party affairs and parliamentary matters.The NA Speaker briefed PML-N President about the ongoing session of the National Assembly, legislative process and the performance of the first parliamentary year of the 16th National Assembly.