PPP Punjab on Friday has paid tribute to Maadr-i-Jamhooriat late Begum Nusrat Bhutto on her 83rd birth anniversary describing her as a national asset who personally led from the front a heroic struggle for the restoration of democracy in the country. Meanwhile, President Pakistan Peoples' Party (PPP) Lahore and Samina Khalid Ghurki has said the government was ensuring several steps for prosperity of common man.